2554125

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{139}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 4979520

約数和(自身を除く): 2425395

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 125, 139, 147, 175, 245, 375, 417, 525, 695, 735, 875, 973, 1225, 2085, 2625, 2919, 3475, 3675, 4865, 6125, 6811, 10425, 14595, 17375, 18375, 20433, 24325, 34055, 52125, 72975, 102165, 121625, 170275, 364875, 510825, 851375, 2554125]

約数ペア:

[(1, 2554125), (3, 851375), (5, 510825), (7, 364875), (15, 170275), (21, 121625), (25, 102165), (35, 72975), (49, 52125), (75, 34055), (105, 24325), (125, 20433), (139, 18375), (147, 17375), (175, 14595), (245, 10425), (375, 6811), (417, 6125), (525, 4865), (695, 3675), (735, 3475), (875, 2919), (973, 2625), (1225, 2085)]