221374035

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{258917}}^1$

素因数の和:258947

約数の個数: 24

約数和(自身を含む): 403912080

約数和(自身を除く): 182538045

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 258917, 776751, 1294585, 2330253, 3883755, 4919423, 11651265, 14758269, 24597115, 44274807, 73791345, 221374035]

約数ペア:

[(1, 221374035), (3, 73791345), (5, 44274807), (9, 24597115), (15, 14758269), (19, 11651265), (45, 4919423), (57, 3883755), (95, 2330253), (171, 1294585), (285, 776751), (855, 258917)]