218219565

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 376652160

約数和(自身を除く): 158432595

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 289, 355, 709, 867, 1065, 1207, 1445, 2127, 3545, 3621, 4335, 6035, 10635, 12053, 18105, 20519, 36159, 50339, 60265, 61557, 102595, 151017, 180795, 204901, 251695, 307785, 614703, 755085, 855763, 1024505, 2567289, 3073515, 4278815, 12836445, 14547971, 43643913, 72739855, 218219565]

約数ペア:

[(1, 218219565), (3, 72739855), (5, 43643913), (15, 14547971), (17, 12836445), (51, 4278815), (71, 3073515), (85, 2567289), (213, 1024505), (255, 855763), (289, 755085), (355, 614703), (709, 307785), (867, 251695), (1065, 204901), (1207, 180795), (1445, 151017), (2127, 102595), (3545, 61557), (3621, 60265), (4335, 50339), (6035, 36159), (10635, 20519), (12053, 18105)]