260385759

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{349}}^1$

素因数の和:573

約数の個数: 40

約数和(自身を含む): 399106400

約数和(自身を除く): 138720641

約数列:

[1, 3, 9, 27, 61, 81, 151, 183, 349, 453, 549, 1047, 1359, 1647, 3141, 4077, 4941, 9211, 9423, 12231, 21289, 27633, 28269, 52699, 63867, 82899, 158097, 191601, 248697, 474291, 574803, 746091, 1422873, 1724409, 3214639, 4268619, 9643917, 28931751, 86795253, 260385759]

約数ペア:

[(1, 260385759), (3, 86795253), (9, 28931751), (27, 9643917), (61, 4268619), (81, 3214639), (151, 1724409), (183, 1422873), (349, 746091), (453, 574803), (549, 474291), (1047, 248697), (1359, 191601), (1647, 158097), (3141, 82899), (4077, 63867), (4941, 52699), (9211, 28269), (9423, 27633), (12231, 21289)]