289391505

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{34513}}^1$

素因数の和:34577

約数の個数: 32

約数和(自身を含む): 510254976

約数和(自身を除く): 220863471

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 8385, 34513, 103539, 172565, 448669, 517695, 1346007, 1484059, 2243345, 4452177, 6730035, 7420295, 19292767, 22260885, 57878301, 96463835, 289391505]

約数ペア:

[(1, 289391505), (3, 96463835), (5, 57878301), (13, 22260885), (15, 19292767), (39, 7420295), (43, 6730035), (65, 4452177), (129, 2243345), (195, 1484059), (215, 1346007), (559, 517695), (645, 448669), (1677, 172565), (2795, 103539), (8385, 34513)]