308997

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 509600

約数和(自身を除く): 200603

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 139, 171, 247, 417, 741, 1251, 1807, 2223, 2641, 5421, 7923, 16263, 23769, 34333, 102999, 308997]

約数ペア:

[(1, 308997), (3, 102999), (9, 34333), (13, 23769), (19, 16263), (39, 7923), (57, 5421), (117, 2641), (139, 2223), (171, 1807), (247, 1251), (417, 741)]