18474225

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{457}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 38845728

約数和(自身を除く): 20371503

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 49, 55, 75, 77, 105, 147, 165, 175, 231, 245, 275, 385, 457, 525, 539, 735, 825, 1155, 1225, 1371, 1617, 1925, 2285, 2695, 3199, 3675, 5027, 5775, 6855, 8085, 9597, 11425, 13475, 15081, 15995, 22393, 25135, 34275, 35189, 40425, 47985, 67179, 75405, 79975, 105567, 111965, 125675, 175945, 239925, 246323, 335895, 377025, 527835, 559825, 738969, 879725, 1231615, 1679475, 2639175, 3694845, 6158075, 18474225]

約数ペア:

[(1, 18474225), (3, 6158075), (5, 3694845), (7, 2639175), (11, 1679475), (15, 1231615), (21, 879725), (25, 738969), (33, 559825), (35, 527835), (49, 377025), (55, 335895), (75, 246323), (77, 239925), (105, 175945), (147, 125675), (165, 111965), (175, 105567), (231, 79975), (245, 75405), (275, 67179), (385, 47985), (457, 40425), (525, 35189), (539, 34275), (735, 25135), (825, 22393), (1155, 15995), (1225, 15081), (1371, 13475), (1617, 11425), (1925, 9597), (2285, 8085), (2695, 6855), (3199, 5775), (3675, 5027)]