9780831.00000000

素因数分解:

$3^2\times 5^4\times {\mathrm{2473}}^1$

素因数の和:2499

約数の個数: 30

約数和(自身を含む): 25118522

約数和(自身を除く): 11207897

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 2473, 5625, 7419, 12365, 22257, 37095, 61825, 111285, 185475, 309125, 556425, 927375, 1545625, 2782125, 4636875, 13910625]

約数ペア:

[(1, 13910625), (3, 4636875), (5, 2782125), (9, 1545625), (15, 927375), (25, 556425), (45, 309125), (75, 185475), (125, 111285), (225, 61825), (375, 37095), (625, 22257), (1125, 12365), (1875, 7419), (2473, 5625)]