61997475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 109020800

約数和(自身を除く): 47023325

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 139, 285, 313, 417, 475, 695, 939, 1425, 1565, 2085, 2641, 3475, 4695, 5947, 7825, 7923, 10425, 13205, 17841, 23475, 29735, 39615, 43507, 66025, 89205, 130521, 148675, 198075, 217535, 446025, 652605, 826633, 1087675, 2479899, 3263025, 4133165, 12399495, 20665825, 61997475]

約数ペア:

[(1, 61997475), (3, 20665825), (5, 12399495), (15, 4133165), (19, 3263025), (25, 2479899), (57, 1087675), (75, 826633), (95, 652605), (139, 446025), (285, 217535), (313, 198075), (417, 148675), (475, 130521), (695, 89205), (939, 66025), (1425, 43507), (1565, 39615), (2085, 29735), (2641, 23475), (3475, 17841), (4695, 13205), (5947, 10425), (7825, 7923)]