15768315

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 29034720

約数和(自身を除く): 13266405

約数列:

[1, 3, 5, 9, 15, 29, 43, 45, 87, 129, 145, 215, 261, 281, 387, 435, 645, 843, 1247, 1305, 1405, 1935, 2529, 3741, 4215, 6235, 8149, 11223, 12083, 12645, 18705, 24447, 36249, 40745, 56115, 60415, 73341, 108747, 122235, 181245, 350407, 366705, 543735, 1051221, 1752035, 3153663, 5256105, 15768315]

約数ペア:

[(1, 15768315), (3, 5256105), (5, 3153663), (9, 1752035), (15, 1051221), (29, 543735), (43, 366705), (45, 350407), (87, 181245), (129, 122235), (145, 108747), (215, 73341), (261, 60415), (281, 56115), (387, 40745), (435, 36249), (645, 24447), (843, 18705), (1247, 12645), (1305, 12083), (1405, 11223), (1935, 8149), (2529, 6235), (3741, 4215)]