621333

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 988416

約数和(自身を除く): 367083

約数列:

[1, 3, 9, 17, 31, 51, 93, 131, 153, 279, 393, 527, 1179, 1581, 2227, 4061, 4743, 6681, 12183, 20043, 36549, 69037, 207111, 621333]

約数ペア:

[(1, 621333), (3, 207111), (9, 69037), (17, 36549), (31, 20043), (51, 12183), (93, 6681), (131, 4743), (153, 4061), (279, 2227), (393, 1581), (527, 1179)]