31286619

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38201}}^1$

素因数の和:38227

約数の個数: 24

約数和(自身を含む): 55622112

約数和(自身を除く): 24335493

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 38201, 114603, 267407, 343809, 496613, 802221, 1489839, 2406663, 3476291, 4469517, 10428873, 31286619]

約数ペア:

[(1, 31286619), (3, 10428873), (7, 4469517), (9, 3476291), (13, 2406663), (21, 1489839), (39, 802221), (63, 496613), (91, 343809), (117, 267407), (273, 114603), (819, 38201)]