51621705

素因数分解:

$3^5\times 5^1\times {\mathrm{42487}}^1$

素因数の和:42507

約数の個数: 24

約数和(自身を含む): 92793792

約数和(自身を除く): 41172087

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 42487, 127461, 212435, 382383, 637305, 1147149, 1911915, 3441447, 5735745, 10324341, 17207235, 51621705]

約数ペア:

[(1, 51621705), (3, 17207235), (5, 10324341), (9, 5735745), (15, 3441447), (27, 1911915), (45, 1147149), (81, 637305), (135, 382383), (243, 212435), (405, 127461), (1215, 42487)]