621387

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 995904

約数和(自身を除く): 374517

約数列:

[1, 3, 9, 13, 39, 47, 113, 117, 141, 339, 423, 611, 1017, 1469, 1833, 4407, 5311, 5499, 13221, 15933, 47799, 69043, 207129, 621387]

約数ペア:

[(1, 621387), (3, 207129), (9, 69043), (13, 47799), (39, 15933), (47, 13221), (113, 5499), (117, 5311), (141, 4407), (339, 1833), (423, 1469), (611, 1017)]