821455089

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{231461}}^1$

素因数の和:231497

約数の個数: 24

約数和(自身を含む): 1355441472

約数和(自身を除く): 533986383

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 231461, 694383, 1620227, 3008993, 4860681, 9026979, 21062951, 39116909, 63188853, 117350727, 273818363, 821455089]

約数ペア:

[(1, 821455089), (3, 273818363), (7, 117350727), (13, 63188853), (21, 39116909), (39, 21062951), (91, 9026979), (169, 4860681), (273, 3008993), (507, 1620227), (1183, 694383), (3549, 231461)]