39129885

素因数分解:

$3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1223}}^1$

素因数の和:1319

約数の個数: 40

約数和(自身を含む): 71089920

約数和(自身を除く): 31960035

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 395, 405, 711, 1185, 1223, 2133, 3555, 3669, 6115, 6399, 10665, 11007, 18345, 31995, 33021, 55035, 96617, 99063, 165105, 289851, 483085, 495315, 869553, 1449255, 2608659, 4347765, 7825977, 13043295, 39129885]

約数ペア:

[(1, 39129885), (3, 13043295), (5, 7825977), (9, 4347765), (15, 2608659), (27, 1449255), (45, 869553), (79, 495315), (81, 483085), (135, 289851), (237, 165105), (395, 99063), (405, 96617), (711, 55035), (1185, 33021), (1223, 31995), (2133, 18345), (3555, 11007), (3669, 10665), (6115, 6399)]