12620625

素因数分解:

$3^1\times 5^4\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:203

約数の個数: 40

約数和(自身を含む): 21593088

約数和(自身を除く): 8972463

約数列:

[1, 3, 5, 15, 25, 53, 75, 125, 127, 159, 265, 375, 381, 625, 635, 795, 1325, 1875, 1905, 3175, 3975, 6625, 6731, 9525, 15875, 19875, 20193, 33125, 33655, 47625, 79375, 99375, 100965, 168275, 238125, 504825, 841375, 2524125, 4206875, 12620625]

約数ペア:

[(1, 12620625), (3, 4206875), (5, 2524125), (15, 841375), (25, 504825), (53, 238125), (75, 168275), (125, 100965), (127, 99375), (159, 79375), (265, 47625), (375, 33655), (381, 33125), (625, 20193), (635, 19875), (795, 15875), (1325, 9525), (1875, 6731), (1905, 6625), (3175, 3975)]