74155905

素因数分解:

$3^4\times 5^1\times {\mathrm{283}}^1\times {\mathrm{647}}^1$

素因数の和:947

約数の個数: 40

約数和(自身を含む): 133607232

約数和(自身を除く): 59451327

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 283, 405, 647, 849, 1415, 1941, 2547, 3235, 4245, 5823, 7641, 9705, 12735, 17469, 22923, 29115, 38205, 52407, 87345, 114615, 183101, 262035, 549303, 915505, 1647909, 2746515, 4943727, 8239545, 14831181, 24718635, 74155905]

約数ペア:

[(1, 74155905), (3, 24718635), (5, 14831181), (9, 8239545), (15, 4943727), (27, 2746515), (45, 1647909), (81, 915505), (135, 549303), (283, 262035), (405, 183101), (647, 114615), (849, 87345), (1415, 52407), (1941, 38205), (2547, 29115), (3235, 22923), (4245, 17469), (5823, 12735), (7641, 9705)]