128752515

素因数分解:

$3^2\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{2351}}^1$

素因数の和:3579

約数の個数: 24

約数和(自身を含む): 223449408

約数和(自身を除く): 94696893

約数列:

[1, 3, 5, 9, 15, 45, 1217, 2351, 3651, 6085, 7053, 10953, 11755, 18255, 21159, 35265, 54765, 105795, 2861167, 8583501, 14305835, 25750503, 42917505, 128752515]

約数ペア:

[(1, 128752515), (3, 42917505), (5, 25750503), (9, 14305835), (15, 8583501), (45, 2861167), (1217, 105795), (2351, 54765), (3651, 35265), (6085, 21159), (7053, 18255), (10953, 11755)]