387490815

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{128521}}^1$

素因数の和:128599

約数の個数: 24

約数和(自身を含む): 681680688

約数和(自身を除く): 294189873

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 128521, 385563, 642605, 1156689, 1927815, 5783445, 8610907, 25832721, 43054535, 77498163, 129163605, 387490815]

約数ペア:

[(1, 387490815), (3, 129163605), (5, 77498163), (9, 43054535), (15, 25832721), (45, 8610907), (67, 5783445), (201, 1927815), (335, 1156689), (603, 642605), (1005, 385563), (3015, 128521)]