251279145

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2137}}^1$

素因数の和:2231

約数の個数: 64

約数和(自身を含む): 488490240

約数和(自身を除く): 237211095

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 67, 117, 135, 195, 201, 335, 351, 585, 603, 871, 1005, 1755, 1809, 2137, 2613, 3015, 4355, 6411, 7839, 9045, 10685, 13065, 19233, 23517, 27781, 32055, 39195, 57699, 83343, 96165, 117585, 138905, 143179, 250029, 288495, 416715, 429537, 715895, 750087, 1250145, 1288611, 1861327, 2147685, 3750435, 3865833, 5583981, 6443055, 9306635, 16751943, 19329165, 27919905, 50255829, 83759715, 251279145]

約数ペア:

[(1, 251279145), (3, 83759715), (5, 50255829), (9, 27919905), (13, 19329165), (15, 16751943), (27, 9306635), (39, 6443055), (45, 5583981), (65, 3865833), (67, 3750435), (117, 2147685), (135, 1861327), (195, 1288611), (201, 1250145), (335, 750087), (351, 715895), (585, 429537), (603, 416715), (871, 288495), (1005, 250029), (1755, 143179), (1809, 138905), (2137, 117585), (2613, 96165), (3015, 83343), (4355, 57699), (6411, 39195), (7839, 32055), (9045, 27781), (10685, 23517), (13065, 19233)]