65721285

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 139776000

約数和(自身を除く): 74054715

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 79, 95, 105, 133, 139, 171, 237, 285, 315, 395, 399, 417, 553, 665, 695, 711, 855, 973, 1185, 1197, 1251, 1501, 1659, 1995, 2085, 2641, 2765, 2919, 3555, 4503, 4865, 4977, 5985, 6255, 7505, 7923, 8295, 8757, 10507, 10981, 13205, 13509, 14595, 18487, 22515, 23769, 24885, 31521, 32943, 39615, 43785, 52535, 54905, 55461, 67545, 76867, 92435, 94563, 98829, 118845, 157605, 164715, 166383, 208639, 230601, 277305, 384335, 472815, 494145, 625917, 691803, 831915, 1043195, 1153005, 1460473, 1877751, 3129585, 3459015, 4381419, 7302365, 9388755, 13144257, 21907095, 65721285]

約数ペア:

[(1, 65721285), (3, 21907095), (5, 13144257), (7, 9388755), (9, 7302365), (15, 4381419), (19, 3459015), (21, 3129585), (35, 1877751), (45, 1460473), (57, 1153005), (63, 1043195), (79, 831915), (95, 691803), (105, 625917), (133, 494145), (139, 472815), (171, 384335), (237, 277305), (285, 230601), (315, 208639), (395, 166383), (399, 164715), (417, 157605), (553, 118845), (665, 98829), (695, 94563), (711, 92435), (855, 76867), (973, 67545), (1185, 55461), (1197, 54905), (1251, 52535), (1501, 43785), (1659, 39615), (1995, 32943), (2085, 31521), (2641, 24885), (2765, 23769), (2919, 22515), (3555, 18487), (4503, 14595), (4865, 13509), (4977, 13205), (5985, 10981), (6255, 10507), (7505, 8757), (7923, 8295)]