28166265

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 53760000

約数和(自身を除く): 25593735

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 79, 95, 135, 139, 171, 237, 285, 395, 417, 513, 695, 711, 855, 1185, 1251, 1501, 2085, 2133, 2565, 2641, 3555, 3753, 4503, 6255, 7505, 7923, 10665, 10981, 13205, 13509, 18765, 22515, 23769, 32943, 39615, 40527, 54905, 67545, 71307, 98829, 118845, 164715, 202635, 208639, 296487, 356535, 494145, 625917, 1043195, 1482435, 1877751, 3129585, 5633253, 9388755, 28166265]

約数ペア:

[(1, 28166265), (3, 9388755), (5, 5633253), (9, 3129585), (15, 1877751), (19, 1482435), (27, 1043195), (45, 625917), (57, 494145), (79, 356535), (95, 296487), (135, 208639), (139, 202635), (171, 164715), (237, 118845), (285, 98829), (395, 71307), (417, 67545), (513, 54905), (695, 40527), (711, 39615), (855, 32943), (1185, 23769), (1251, 22515), (1501, 18765), (2085, 13509), (2133, 13205), (2565, 10981), (2641, 10665), (3555, 7923), (3753, 7505), (4503, 6255)]