388632855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1\times {\mathrm{1619}}^1$

素因数の和:2871

約数の個数: 32

約数和(自身を含む): 670602240

約数和(自身を除く): 281969385

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1231, 1619, 3693, 4857, 6155, 8095, 16003, 18465, 21047, 24285, 48009, 63141, 80015, 105235, 240045, 315705, 1992989, 5978967, 9964945, 25908857, 29894835, 77726571, 129544285, 388632855]

約数ペア:

[(1, 388632855), (3, 129544285), (5, 77726571), (13, 29894835), (15, 25908857), (39, 9964945), (65, 5978967), (195, 1992989), (1231, 315705), (1619, 240045), (3693, 105235), (4857, 80015), (6155, 63141), (8095, 48009), (16003, 24285), (18465, 21047)]