68839875

素因数分解:

$3^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:563

約数の個数: 80

約数和(自身を含む): 138474336

約数和(自身を除く): 69634461

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 125, 135, 195, 225, 325, 351, 375, 405, 523, 585, 675, 975, 1053, 1125, 1569, 1625, 1755, 2025, 2615, 2925, 3375, 4707, 4875, 5265, 6799, 7845, 8775, 10125, 13075, 14121, 14625, 20397, 23535, 26325, 33995, 39225, 42363, 43875, 61191, 65375, 70605, 101985, 117675, 131625, 169975, 183573, 196125, 211815, 305955, 353025, 509925, 550719, 588375, 849875, 917865, 1059075, 1529775, 1765125, 2549625, 2753595, 4589325, 5295375, 7648875, 13767975, 22946625, 68839875]

約数ペア:

[(1, 68839875), (3, 22946625), (5, 13767975), (9, 7648875), (13, 5295375), (15, 4589325), (25, 2753595), (27, 2549625), (39, 1765125), (45, 1529775), (65, 1059075), (75, 917865), (81, 849875), (117, 588375), (125, 550719), (135, 509925), (195, 353025), (225, 305955), (325, 211815), (351, 196125), (375, 183573), (405, 169975), (523, 131625), (585, 117675), (675, 101985), (975, 70605), (1053, 65375), (1125, 61191), (1569, 43875), (1625, 42363), (1755, 39225), (2025, 33995), (2615, 26325), (2925, 23535), (3375, 20397), (4707, 14625), (4875, 14121), (5265, 13075), (6799, 10125), (7845, 8775)]