155111715

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 301011984

約数和(自身を除く): 145900269

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 61, 99, 121, 165, 183, 305, 363, 467, 495, 549, 605, 671, 915, 1089, 1401, 1815, 2013, 2335, 2745, 3355, 4203, 5137, 5445, 6039, 7005, 7381, 10065, 15411, 21015, 22143, 25685, 28487, 30195, 36905, 46233, 56507, 66429, 77055, 85461, 110715, 142435, 169521, 231165, 256383, 282535, 313357, 332145, 427305, 508563, 847605, 940071, 1281915, 1566785, 2542815, 2820213, 3446927, 4700355, 10340781, 14101065, 17234635, 31022343, 51703905, 155111715]

約数ペア:

[(1, 155111715), (3, 51703905), (5, 31022343), (9, 17234635), (11, 14101065), (15, 10340781), (33, 4700355), (45, 3446927), (55, 2820213), (61, 2542815), (99, 1566785), (121, 1281915), (165, 940071), (183, 847605), (305, 508563), (363, 427305), (467, 332145), (495, 313357), (549, 282535), (605, 256383), (671, 231165), (915, 169521), (1089, 142435), (1401, 110715), (1815, 85461), (2013, 77055), (2335, 66429), (2745, 56507), (3355, 46233), (4203, 36905), (5137, 30195), (5445, 28487), (6039, 25685), (7005, 22143), (7381, 21015), (10065, 15411)]