399454047

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{16921}}^1$

素因数の和:17031

約数の個数: 24

約数和(自身を含む): 600121808

約数和(自身を除く): 200667761

約数列:

[1, 3, 9, 43, 61, 129, 183, 387, 549, 2623, 7869, 16921, 23607, 50763, 152289, 727603, 1032181, 2182809, 3096543, 6548427, 9289629, 44383783, 133151349, 399454047]

約数ペア:

[(1, 399454047), (3, 133151349), (9, 44383783), (43, 9289629), (61, 6548427), (129, 3096543), (183, 2182809), (387, 1032181), (549, 727603), (2623, 152289), (7869, 50763), (16921, 23607)]