165996405

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 310648320

約数和(自身を除く): 144651915

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 193, 207, 277, 345, 579, 621, 831, 965, 1035, 1385, 1737, 2493, 2895, 3105, 4155, 4439, 5211, 6371, 7479, 8685, 12465, 13317, 19113, 22195, 26055, 31855, 37395, 39951, 53461, 57339, 66585, 95565, 119853, 160383, 172017, 199755, 267305, 286695, 481149, 599265, 801915, 860085, 1229603, 1443447, 2405745, 3688809, 6148015, 7217235, 11066427, 18444045, 33199281, 55332135, 165996405]

約数ペア:

[(1, 165996405), (3, 55332135), (5, 33199281), (9, 18444045), (15, 11066427), (23, 7217235), (27, 6148015), (45, 3688809), (69, 2405745), (115, 1443447), (135, 1229603), (193, 860085), (207, 801915), (277, 599265), (345, 481149), (579, 286695), (621, 267305), (831, 199755), (965, 172017), (1035, 160383), (1385, 119853), (1737, 95565), (2493, 66585), (2895, 57339), (3105, 53461), (4155, 39951), (4439, 37395), (5211, 31855), (6371, 26055), (7479, 22195), (8685, 19113), (12465, 13317)]