80435475

素因数分解:

$3^2\times 5^2\times {\mathrm{389}}^1\times {\mathrm{919}}^1$

素因数の和:1324

約数の個数: 36

約数和(自身を含む): 144596400

約数和(自身を除く): 64160925

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 389, 919, 1167, 1945, 2757, 3501, 4595, 5835, 8271, 9725, 13785, 17505, 22975, 29175, 41355, 68925, 87525, 206775, 357491, 1072473, 1787455, 3217419, 5362365, 8937275, 16087095, 26811825, 80435475]

約数ペア:

[(1, 80435475), (3, 26811825), (5, 16087095), (9, 8937275), (15, 5362365), (25, 3217419), (45, 1787455), (75, 1072473), (225, 357491), (389, 206775), (919, 87525), (1167, 68925), (1945, 41355), (2757, 29175), (3501, 22975), (4595, 17505), (5835, 13785), (8271, 9725)]