390331521

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{503}}^1\times {\mathrm{701}}^1$

素因数の和:1254

約数の個数: 32

約数和(自身を含む): 594397440

約数和(自身を除く): 204065919

約数列:

[1, 3, 9, 27, 41, 123, 369, 503, 701, 1107, 1509, 2103, 4527, 6309, 13581, 18927, 20623, 28741, 61869, 86223, 185607, 258669, 352603, 556821, 776007, 1057809, 3173427, 9520281, 14456723, 43370169, 130110507, 390331521]

約数ペア:

[(1, 390331521), (3, 130110507), (9, 43370169), (27, 14456723), (41, 9520281), (123, 3173427), (369, 1057809), (503, 776007), (701, 556821), (1107, 352603), (1509, 258669), (2103, 185607), (4527, 86223), (6309, 61869), (13581, 28741), (18927, 20623)]