261736605

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2963}}^1$

素因数の和:3138

約数の個数: 48

約数和(自身を含む): 491976576

約数和(自身を除く): 230239971

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 151, 195, 453, 585, 755, 1359, 1963, 2265, 2963, 5889, 6795, 8889, 9815, 14815, 17667, 26667, 29445, 38519, 44445, 88335, 115557, 133335, 192595, 346671, 447413, 577785, 1342239, 1733355, 2237065, 4026717, 5816369, 6711195, 17449107, 20133585, 29081845, 52347321, 87245535, 261736605]

約数ペア:

[(1, 261736605), (3, 87245535), (5, 52347321), (9, 29081845), (13, 20133585), (15, 17449107), (39, 6711195), (45, 5816369), (65, 4026717), (117, 2237065), (151, 1733355), (195, 1342239), (453, 577785), (585, 447413), (755, 346671), (1359, 192595), (1963, 133335), (2265, 115557), (2963, 88335), (5889, 44445), (6795, 38519), (8889, 29445), (9815, 26667), (14815, 17667)]