219936069

素因数分解:

$3^2\times {\mathrm{149}}^1\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 321399000

約数和(自身を除く): 101462931

約数列:

[1, 3, 9, 149, 401, 409, 447, 1203, 1227, 1341, 3609, 3681, 59749, 60941, 164009, 179247, 182823, 492027, 537741, 548469, 1476081, 24437341, 73312023, 219936069]

約数ペア:

[(1, 219936069), (3, 73312023), (9, 24437341), (149, 1476081), (401, 548469), (409, 537741), (447, 492027), (1203, 182823), (1227, 179247), (1341, 164009), (3609, 60941), (3681, 59749)]