256156785

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{29803}}^1$

素因数の和:30005

約数の個数: 24

約数和(自身を含む): 446344704

約数和(自身を除く): 190187919

約数列:

[1, 3, 5, 9, 15, 45, 191, 573, 955, 1719, 2865, 8595, 29803, 89409, 149015, 268227, 447045, 1341135, 5692373, 17077119, 28461865, 51231357, 85385595, 256156785]

約数ペア:

[(1, 256156785), (3, 85385595), (5, 51231357), (9, 28461865), (15, 17077119), (45, 5692373), (191, 1341135), (573, 447045), (955, 268227), (1719, 149015), (2865, 89409), (8595, 29803)]