664754025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{18427}}^1$

素因数の和:18490

約数の個数: 48

約数和(自身を含む): 1215658304

約数和(自身を除く): 550904279

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 111, 185, 195, 325, 481, 555, 925, 975, 1443, 2405, 2775, 7215, 12025, 18427, 36075, 55281, 92135, 239551, 276405, 460675, 681799, 718653, 1197755, 1382025, 2045397, 3408995, 3593265, 5988775, 8863387, 10226985, 17044975, 17966325, 26590161, 44316935, 51134925, 132950805, 221584675, 664754025]

約数ペア:

[(1, 664754025), (3, 221584675), (5, 132950805), (13, 51134925), (15, 44316935), (25, 26590161), (37, 17966325), (39, 17044975), (65, 10226985), (75, 8863387), (111, 5988775), (185, 3593265), (195, 3408995), (325, 2045397), (481, 1382025), (555, 1197755), (925, 718653), (975, 681799), (1443, 460675), (2405, 276405), (2775, 239551), (7215, 92135), (12025, 55281), (18427, 36075)]