3991275

素因数分解:

$3^7\times 5^2\times {\mathrm{73}}^1$

素因数の和:104

約数の個数: 48

約数和(自身を含む): 7524320

約数和(自身を除く): 3533045

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 81, 135, 219, 225, 243, 365, 405, 657, 675, 729, 1095, 1215, 1825, 1971, 2025, 2187, 3285, 3645, 5475, 5913, 6075, 9855, 10935, 16425, 17739, 18225, 29565, 49275, 53217, 54675, 88695, 147825, 159651, 266085, 443475, 798255, 1330425, 3991275]

約数ペア:

[(1, 3991275), (3, 1330425), (5, 798255), (9, 443475), (15, 266085), (25, 159651), (27, 147825), (45, 88695), (73, 54675), (75, 53217), (81, 49275), (135, 29565), (219, 18225), (225, 17739), (243, 16425), (365, 10935), (405, 9855), (657, 6075), (675, 5913), (729, 5475), (1095, 3645), (1215, 3285), (1825, 2187), (1971, 2025)]