390366945

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23509}}^1$

素因数の和:23567

約数の個数: 40

約数和(自身を含む): 716866920

約数和(自身を除く): 326499975

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1107, 1845, 3321, 5535, 16605, 23509, 70527, 117545, 211581, 352635, 634743, 963869, 1057905, 1904229, 2891607, 3173715, 4819345, 8674821, 9521145, 14458035, 26024463, 43374105, 78073389, 130122315, 390366945]

約数ペア:

[(1, 390366945), (3, 130122315), (5, 78073389), (9, 43374105), (15, 26024463), (27, 14458035), (41, 9521145), (45, 8674821), (81, 4819345), (123, 3173715), (135, 2891607), (205, 1904229), (369, 1057905), (405, 963869), (615, 634743), (1107, 352635), (1845, 211581), (3321, 117545), (5535, 70527), (16605, 23509)]