65897715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 120637440

約数和(自身を除く): 54739725

約数列:

[1, 3, 5, 13, 15, 29, 39, 43, 65, 87, 129, 145, 195, 215, 271, 377, 435, 559, 645, 813, 1131, 1247, 1355, 1677, 1885, 2795, 3523, 3741, 4065, 5655, 6235, 7859, 8385, 10569, 11653, 16211, 17615, 18705, 23577, 34959, 39295, 48633, 52845, 58265, 81055, 102167, 117885, 151489, 174795, 243165, 306501, 337937, 454467, 510835, 757445, 1013811, 1532505, 1689685, 2272335, 4393181, 5069055, 13179543, 21965905, 65897715]

約数ペア:

[(1, 65897715), (3, 21965905), (5, 13179543), (13, 5069055), (15, 4393181), (29, 2272335), (39, 1689685), (43, 1532505), (65, 1013811), (87, 757445), (129, 510835), (145, 454467), (195, 337937), (215, 306501), (271, 243165), (377, 174795), (435, 151489), (559, 117885), (645, 102167), (813, 81055), (1131, 58265), (1247, 52845), (1355, 48633), (1677, 39295), (1885, 34959), (2795, 23577), (3523, 18705), (3741, 17615), (4065, 16211), (5655, 11653), (6235, 10569), (7859, 8385)]