63903905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 85494528

約数和(自身を除く): 21590623

約数列:

[1, 5, 13, 61, 65, 71, 227, 305, 355, 793, 923, 1135, 2951, 3965, 4331, 4615, 13847, 14755, 16117, 21655, 56303, 69235, 80585, 180011, 209521, 281515, 900055, 983137, 1047605, 4915685, 12780781, 63903905]

約数ペア:

[(1, 63903905), (5, 12780781), (13, 4915685), (61, 1047605), (65, 983137), (71, 900055), (227, 281515), (305, 209521), (355, 180011), (793, 80585), (923, 69235), (1135, 56303), (2951, 21655), (3965, 16117), (4331, 14755), (4615, 13847)]