4019625

素因数分解:

$3^4\times 5^3\times {\mathrm{397}}^1$

素因数の和:424

約数の個数: 40

約数和(自身を含む): 7512648

約数和(自身を除く): 3493023

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 397, 405, 675, 1125, 1191, 1985, 2025, 3375, 3573, 5955, 9925, 10125, 10719, 17865, 29775, 32157, 49625, 53595, 89325, 148875, 160785, 267975, 446625, 803925, 1339875, 4019625]

約数ペア:

[(1, 4019625), (3, 1339875), (5, 803925), (9, 446625), (15, 267975), (25, 160785), (27, 148875), (45, 89325), (75, 53595), (81, 49625), (125, 32157), (135, 29775), (225, 17865), (375, 10719), (397, 10125), (405, 9925), (675, 5955), (1125, 3573), (1191, 3375), (1985, 2025)]