219616371

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{8269}}^1$

素因数の和:8515

約数の個数: 24

約数和(自身を含む): 343171920

約数和(自身を除く): 123555549

約数列:

[1, 3, 9, 13, 39, 117, 227, 681, 2043, 2951, 8269, 8853, 24807, 26559, 74421, 107497, 322491, 967473, 1877063, 5631189, 16893567, 24401819, 73205457, 219616371]

約数ペア:

[(1, 219616371), (3, 73205457), (9, 24401819), (13, 16893567), (39, 5631189), (117, 1877063), (227, 967473), (681, 322491), (2043, 107497), (2951, 74421), (8269, 26559), (8853, 24807)]