15998175

素因数分解:

$3^3\times 5^2\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 29774880

約数和(自身を除く): 13776705

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 137, 173, 225, 411, 519, 675, 685, 865, 1233, 1557, 2055, 2595, 3425, 3699, 4325, 4671, 6165, 7785, 10275, 12975, 18495, 23355, 23701, 30825, 38925, 71103, 92475, 116775, 118505, 213309, 355515, 592525, 639927, 1066545, 1777575, 3199635, 5332725, 15998175]

約数ペア:

[(1, 15998175), (3, 5332725), (5, 3199635), (9, 1777575), (15, 1066545), (25, 639927), (27, 592525), (45, 355515), (75, 213309), (135, 118505), (137, 116775), (173, 92475), (225, 71103), (411, 38925), (519, 30825), (675, 23701), (685, 23355), (865, 18495), (1233, 12975), (1557, 10275), (2055, 7785), (2595, 6165), (3425, 4671), (3699, 4325)]