18834375

素因数分解:

$3^1\times 5^5\times 7^2\times {\mathrm{41}}^1$

素因数の和:83

約数の個数: 72

約数和(自身を含む): 37403856

約数和(自身を除く): 18569481

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 41, 49, 75, 105, 123, 125, 147, 175, 205, 245, 287, 375, 525, 615, 625, 735, 861, 875, 1025, 1225, 1435, 1875, 2009, 2625, 3075, 3125, 3675, 4305, 4375, 5125, 6027, 6125, 7175, 9375, 10045, 13125, 15375, 18375, 21525, 21875, 25625, 30135, 30625, 35875, 50225, 65625, 76875, 91875, 107625, 128125, 150675, 153125, 179375, 251125, 384375, 459375, 538125, 753375, 896875, 1255625, 2690625, 3766875, 6278125, 18834375]

約数ペア:

[(1, 18834375), (3, 6278125), (5, 3766875), (7, 2690625), (15, 1255625), (21, 896875), (25, 753375), (35, 538125), (41, 459375), (49, 384375), (75, 251125), (105, 179375), (123, 153125), (125, 150675), (147, 128125), (175, 107625), (205, 91875), (245, 76875), (287, 65625), (375, 50225), (525, 35875), (615, 30625), (625, 30135), (735, 25625), (861, 21875), (875, 21525), (1025, 18375), (1225, 15375), (1435, 13125), (1875, 10045), (2009, 9375), (2625, 7175), (3075, 6125), (3125, 6027), (3675, 5125), (4305, 4375)]