308978019

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{258127}}^1$

素因数の和:258159

約数の個数: 24

約数和(自身を含む): 536906240

約数和(自身を除く): 227928221

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 258127, 774381, 1806889, 2323143, 4904413, 5420667, 14713239, 16262001, 34330891, 44139717, 102992673, 308978019]

約数ペア:

[(1, 308978019), (3, 102992673), (7, 44139717), (9, 34330891), (19, 16262001), (21, 14713239), (57, 5420667), (63, 4904413), (133, 2323143), (171, 1806889), (399, 774381), (1197, 258127)]