218651355

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{28751}}^1$

素因数の和:28788

約数の個数: 36

約数和(自身を含む): 410406048

約数和(自身を除く): 191754693

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 507, 585, 845, 1521, 2535, 7605, 28751, 86253, 143755, 258759, 373763, 431265, 1121289, 1293795, 1868815, 3363867, 4858919, 5606445, 14576757, 16819335, 24294595, 43730271, 72883785, 218651355]

約数ペア:

[(1, 218651355), (3, 72883785), (5, 43730271), (9, 24294595), (13, 16819335), (15, 14576757), (39, 5606445), (45, 4858919), (65, 3363867), (117, 1868815), (169, 1293795), (195, 1121289), (507, 431265), (585, 373763), (845, 258759), (1521, 143755), (2535, 86253), (7605, 28751)]