74561565

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2791}}^1$

素因数の和:2949

約数の個数: 32

約数和(自身を含む): 129459456

約数和(自身を除く): 54897891

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 685, 1781, 2055, 2791, 5343, 8373, 8905, 13955, 26715, 36283, 41865, 108849, 181415, 382367, 544245, 1147101, 1911835, 4970771, 5735505, 14912313, 24853855, 74561565]

約数ペア:

[(1, 74561565), (3, 24853855), (5, 14912313), (13, 5735505), (15, 4970771), (39, 1911835), (65, 1147101), (137, 544245), (195, 382367), (411, 181415), (685, 108849), (1781, 41865), (2055, 36283), (2791, 26715), (5343, 13955), (8373, 8905)]