201616785

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{11173}}^1$

素因数の和:11585

約数の個数: 24

約数和(自身を含む): 350371944

約数和(自身を除く): 148755159

約数列:

[1, 3, 5, 9, 15, 45, 401, 1203, 2005, 3609, 6015, 11173, 18045, 33519, 55865, 100557, 167595, 502785, 4480373, 13441119, 22401865, 40323357, 67205595, 201616785]

約数ペア:

[(1, 201616785), (3, 67205595), (5, 40323357), (9, 22401865), (15, 13441119), (45, 4480373), (401, 502785), (1203, 167595), (2005, 100557), (3609, 55865), (6015, 33519), (11173, 18045)]