15256185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 29736960

約数和(自身を除く): 14480775

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 43, 93, 105, 109, 129, 155, 215, 217, 301, 327, 465, 545, 645, 651, 763, 903, 1085, 1333, 1505, 1635, 2289, 3255, 3379, 3815, 3999, 4515, 4687, 6665, 9331, 10137, 11445, 14061, 16895, 19995, 23435, 23653, 27993, 32809, 46655, 50685, 70305, 70959, 98427, 118265, 139965, 145297, 164045, 354795, 435891, 492135, 726485, 1017079, 2179455, 3051237, 5085395, 15256185]

約数ペア:

[(1, 15256185), (3, 5085395), (5, 3051237), (7, 2179455), (15, 1017079), (21, 726485), (31, 492135), (35, 435891), (43, 354795), (93, 164045), (105, 145297), (109, 139965), (129, 118265), (155, 98427), (215, 70959), (217, 70305), (301, 50685), (327, 46655), (465, 32809), (545, 27993), (645, 23653), (651, 23435), (763, 19995), (903, 16895), (1085, 14061), (1333, 11445), (1505, 10137), (1635, 9331), (2289, 6665), (3255, 4687), (3379, 4515), (3815, 3999)]