2420685

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 4472160

約数和(自身を除く): 2051475

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 139, 215, 387, 405, 417, 645, 695, 1161, 1251, 1935, 2085, 3483, 3753, 5805, 5977, 6255, 11259, 17415, 17931, 18765, 29885, 53793, 56295, 89655, 161379, 268965, 484137, 806895, 2420685]

約数ペア:

[(1, 2420685), (3, 806895), (5, 484137), (9, 268965), (15, 161379), (27, 89655), (43, 56295), (45, 53793), (81, 29885), (129, 18765), (135, 17931), (139, 17415), (215, 11259), (387, 6255), (405, 5977), (417, 5805), (645, 3753), (695, 3483), (1161, 2085), (1251, 1935)]