61291815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 113218560

約数和(自身を除く): 51926745

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 71, 95, 195, 213, 233, 247, 285, 355, 699, 741, 923, 1065, 1165, 1235, 1349, 2769, 3029, 3495, 3705, 4047, 4427, 4615, 6745, 9087, 13281, 13845, 15145, 16543, 17537, 20235, 22135, 45435, 49629, 52611, 57551, 66405, 82715, 87685, 172653, 215059, 248145, 263055, 287755, 314317, 645177, 863265, 942951, 1075295, 1571585, 3225885, 4086121, 4714755, 12258363, 20430605, 61291815]

約数ペア:

[(1, 61291815), (3, 20430605), (5, 12258363), (13, 4714755), (15, 4086121), (19, 3225885), (39, 1571585), (57, 1075295), (65, 942951), (71, 863265), (95, 645177), (195, 314317), (213, 287755), (233, 263055), (247, 248145), (285, 215059), (355, 172653), (699, 87685), (741, 82715), (923, 66405), (1065, 57551), (1165, 52611), (1235, 49629), (1349, 45435), (2769, 22135), (3029, 20235), (3495, 17537), (3705, 16543), (4047, 15145), (4427, 13845), (4615, 13281), (6745, 9087)]