2223375

素因数分解:

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

素因数の和:54

約数の個数: 72

約数和(自身を含む): 4730544

約数和(自身を除く): 2507169

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 49, 55, 75, 77, 105, 121, 125, 147, 165, 175, 231, 245, 275, 363, 375, 385, 525, 539, 605, 735, 825, 847, 875, 1155, 1225, 1375, 1617, 1815, 1925, 2541, 2625, 2695, 3025, 3675, 4125, 4235, 5775, 5929, 6125, 8085, 9075, 9625, 12705, 13475, 15125, 17787, 18375, 21175, 28875, 29645, 40425, 45375, 63525, 67375, 88935, 105875, 148225, 202125, 317625, 444675, 741125, 2223375]

約数ペア:

[(1, 2223375), (3, 741125), (5, 444675), (7, 317625), (11, 202125), (15, 148225), (21, 105875), (25, 88935), (33, 67375), (35, 63525), (49, 45375), (55, 40425), (75, 29645), (77, 28875), (105, 21175), (121, 18375), (125, 17787), (147, 15125), (165, 13475), (175, 12705), (231, 9625), (245, 9075), (275, 8085), (363, 6125), (375, 5929), (385, 5775), (525, 4235), (539, 4125), (605, 3675), (735, 3025), (825, 2695), (847, 2625), (875, 2541), (1155, 1925), (1225, 1815), (1375, 1617)]