388815

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{23}}^2$

素因数の和:68

約数の個数: 36

約数和(自身を含む): 756504

約数和(自身を除く): 367689

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 69, 105, 115, 147, 161, 245, 345, 483, 529, 735, 805, 1127, 1587, 2415, 2645, 3381, 3703, 5635, 7935, 11109, 16905, 18515, 25921, 55545, 77763, 129605, 388815]

約数ペア:

[(1, 388815), (3, 129605), (5, 77763), (7, 55545), (15, 25921), (21, 18515), (23, 16905), (35, 11109), (49, 7935), (69, 5635), (105, 3703), (115, 3381), (147, 2645), (161, 2415), (245, 1587), (345, 1127), (483, 805), (529, 735)]