490113

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 786240

約数和(自身を除く): 296127

約数列:

[1, 3, 9, 13, 39, 59, 71, 117, 177, 213, 531, 639, 767, 923, 2301, 2769, 4189, 6903, 8307, 12567, 37701, 54457, 163371, 490113]

約数ペア:

[(1, 490113), (3, 163371), (9, 54457), (13, 37701), (39, 12567), (59, 8307), (71, 6903), (117, 4189), (177, 2769), (213, 2301), (531, 923), (639, 767)]