215639445

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{4019}}^1$

素因数の和:4114

約数の個数: 48

約数和(自身を含む): 406952640

約数和(自身を除く): 191313195

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 73, 105, 147, 219, 245, 365, 511, 735, 1095, 1533, 2555, 3577, 4019, 7665, 10731, 12057, 17885, 20095, 28133, 53655, 60285, 84399, 140665, 196931, 293387, 421995, 590793, 880161, 984655, 1466935, 2053709, 2953965, 4400805, 6161127, 10268545, 14375963, 30805635, 43127889, 71879815, 215639445]

約数ペア:

[(1, 215639445), (3, 71879815), (5, 43127889), (7, 30805635), (15, 14375963), (21, 10268545), (35, 6161127), (49, 4400805), (73, 2953965), (105, 2053709), (147, 1466935), (219, 984655), (245, 880161), (365, 590793), (511, 421995), (735, 293387), (1095, 196931), (1533, 140665), (2555, 84399), (3577, 60285), (4019, 53655), (7665, 28133), (10731, 20095), (12057, 17885)]