27404975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 39184992

約数和(自身を除く): 11780017

約数列:

[1, 5, 13, 25, 37, 43, 53, 65, 185, 215, 265, 325, 481, 559, 689, 925, 1075, 1325, 1591, 1961, 2279, 2405, 2795, 3445, 7955, 9805, 11395, 12025, 13975, 17225, 20683, 25493, 29627, 39775, 49025, 56975, 84323, 103415, 127465, 148135, 421615, 517075, 637325, 740675, 1096199, 2108075, 5480995, 27404975]

約数ペア:

[(1, 27404975), (5, 5480995), (13, 2108075), (25, 1096199), (37, 740675), (43, 637325), (53, 517075), (65, 421615), (185, 148135), (215, 127465), (265, 103415), (325, 84323), (481, 56975), (559, 49025), (689, 39775), (925, 29627), (1075, 25493), (1325, 20683), (1591, 17225), (1961, 13975), (2279, 12025), (2405, 11395), (2795, 9805), (3445, 7955)]