31171959

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4229}}^1$

素因数の和:4261

約数の個数: 40

約数和(自身を含む): 57324960

約数和(自身を除く): 26153001

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 4229, 7371, 12687, 29603, 38061, 54977, 88809, 114183, 164931, 266427, 342549, 384839, 494793, 799281, 1154517, 1484379, 2397843, 3463551, 4453137, 10390653, 31171959]

約数ペア:

[(1, 31171959), (3, 10390653), (7, 4453137), (9, 3463551), (13, 2397843), (21, 1484379), (27, 1154517), (39, 799281), (63, 494793), (81, 384839), (91, 342549), (117, 266427), (189, 164931), (273, 114183), (351, 88809), (567, 54977), (819, 38061), (1053, 29603), (2457, 12687), (4229, 7371)]