207327915

素因数分解:

$3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{7121}}^1$

素因数の和:7779

約数の個数: 24

約数和(自身を含む): 359974368

約数和(自身を除く): 152646453

約数列:

[1, 3, 5, 9, 15, 45, 647, 1941, 3235, 5823, 7121, 9705, 21363, 29115, 35605, 64089, 106815, 320445, 4607287, 13821861, 23036435, 41465583, 69109305, 207327915]

約数ペア:

[(1, 207327915), (3, 69109305), (5, 41465583), (9, 23036435), (15, 13821861), (45, 4607287), (647, 320445), (1941, 106815), (3235, 64089), (5823, 35605), (7121, 29115), (9705, 21363)]