9968715

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 18633888

約数和(自身を除く): 8665173

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 83, 85, 153, 157, 249, 255, 415, 471, 747, 765, 785, 1245, 1411, 1413, 2355, 2669, 3735, 4233, 7055, 7065, 8007, 12699, 13031, 13345, 21165, 24021, 39093, 40035, 63495, 65155, 117279, 120105, 195465, 221527, 586395, 664581, 1107635, 1993743, 3322905, 9968715]

約数ペア:

[(1, 9968715), (3, 3322905), (5, 1993743), (9, 1107635), (15, 664581), (17, 586395), (45, 221527), (51, 195465), (83, 120105), (85, 117279), (153, 65155), (157, 63495), (249, 40035), (255, 39093), (415, 24021), (471, 21165), (747, 13345), (765, 13031), (785, 12699), (1245, 8007), (1411, 7065), (1413, 7055), (2355, 4233), (2669, 3735)]