65690625

素因数分解:

$3^1\times 5^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:66

約数の個数: 144

約数和(自身を含む): 149615424

約数和(自身を除く): 83924799

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 25, 33, 35, 39, 49, 55, 65, 75, 77, 91, 105, 125, 143, 147, 165, 175, 195, 231, 245, 273, 275, 325, 375, 385, 429, 455, 525, 539, 625, 637, 715, 735, 825, 875, 975, 1001, 1155, 1225, 1365, 1375, 1617, 1625, 1875, 1911, 1925, 2145, 2275, 2625, 2695, 3003, 3125, 3185, 3575, 3675, 4125, 4375, 4875, 5005, 5775, 6125, 6825, 6875, 7007, 8085, 8125, 9375, 9555, 9625, 10725, 11375, 13125, 13475, 15015, 15925, 17875, 18375, 20625, 21021, 21875, 24375, 25025, 28875, 30625, 34125, 34375, 35035, 40425, 40625, 47775, 48125, 53625, 56875, 65625, 67375, 75075, 79625, 89375, 91875, 103125, 105105, 121875, 125125, 144375, 153125, 170625, 175175, 202125, 238875, 240625, 268125, 284375, 336875, 375375, 398125, 446875, 459375, 525525, 625625, 721875, 853125, 875875, 1010625, 1194375, 1340625, 1684375, 1876875, 1990625, 2627625, 3128125, 4379375, 5053125, 5971875, 9384375, 13138125, 21896875, 65690625]

約数ペア:

[(1, 65690625), (3, 21896875), (5, 13138125), (7, 9384375), (11, 5971875), (13, 5053125), (15, 4379375), (21, 3128125), (25, 2627625), (33, 1990625), (35, 1876875), (39, 1684375), (49, 1340625), (55, 1194375), (65, 1010625), (75, 875875), (77, 853125), (91, 721875), (105, 625625), (125, 525525), (143, 459375), (147, 446875), (165, 398125), (175, 375375), (195, 336875), (231, 284375), (245, 268125), (273, 240625), (275, 238875), (325, 202125), (375, 175175), (385, 170625), (429, 153125), (455, 144375), (525, 125125), (539, 121875), (625, 105105), (637, 103125), (715, 91875), (735, 89375), (825, 79625), (875, 75075), (975, 67375), (1001, 65625), (1155, 56875), (1225, 53625), (1365, 48125), (1375, 47775), (1617, 40625), (1625, 40425), (1875, 35035), (1911, 34375), (1925, 34125), (2145, 30625), (2275, 28875), (2625, 25025), (2695, 24375), (3003, 21875), (3125, 21021), (3185, 20625), (3575, 18375), (3675, 17875), (4125, 15925), (4375, 15015), (4875, 13475), (5005, 13125), (5775, 11375), (6125, 10725), (6825, 9625), (6875, 9555), (7007, 9375), (8085, 8125)]