75217965

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{421}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 123885696

約数和(自身を除く): 48667731

約数列:

[1, 3, 5, 15, 43, 129, 215, 277, 421, 645, 831, 1263, 1385, 2105, 4155, 6315, 11911, 18103, 35733, 54309, 59555, 90515, 116617, 178665, 271545, 349851, 583085, 1749255, 5014531, 15043593, 25072655, 75217965]

約数ペア:

[(1, 75217965), (3, 25072655), (5, 15043593), (15, 5014531), (43, 1749255), (129, 583085), (215, 349851), (277, 271545), (421, 178665), (645, 116617), (831, 90515), (1263, 59555), (1385, 54309), (2105, 35733), (4155, 18103), (6315, 11911)]