31860405

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 61194240

約数和(自身を除く): 29333835

約数列:

[1, 3, 5, 9, 15, 23, 27, 31, 45, 69, 93, 115, 135, 155, 207, 279, 331, 345, 465, 621, 713, 837, 993, 1035, 1395, 1655, 2139, 2979, 3105, 3565, 4185, 4965, 6417, 7613, 8937, 10261, 10695, 14895, 19251, 22839, 30783, 32085, 38065, 44685, 51305, 68517, 92349, 96255, 114195, 153915, 205551, 236003, 277047, 342585, 461745, 708009, 1027755, 1180015, 1385235, 2124027, 3540045, 6372081, 10620135, 31860405]

約数ペア:

[(1, 31860405), (3, 10620135), (5, 6372081), (9, 3540045), (15, 2124027), (23, 1385235), (27, 1180015), (31, 1027755), (45, 708009), (69, 461745), (93, 342585), (115, 277047), (135, 236003), (155, 205551), (207, 153915), (279, 114195), (331, 96255), (345, 92349), (465, 68517), (621, 51305), (713, 44685), (837, 38065), (993, 32085), (1035, 30783), (1395, 22839), (1655, 19251), (2139, 14895), (2979, 10695), (3105, 10261), (3565, 8937), (4185, 7613), (4965, 6417)]