72905955

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1889}}^1$

素因数の和:2011

約数の個数: 32

約数和(自身を含む): 121927680

約数和(自身を除く): 49021725

約数列:

[1, 3, 5, 15, 31, 83, 93, 155, 249, 415, 465, 1245, 1889, 2573, 5667, 7719, 9445, 12865, 28335, 38595, 58559, 156787, 175677, 292795, 470361, 783935, 878385, 2351805, 4860397, 14581191, 24301985, 72905955]

約数ペア:

[(1, 72905955), (3, 24301985), (5, 14581191), (15, 4860397), (31, 2351805), (83, 878385), (93, 783935), (155, 470361), (249, 292795), (415, 175677), (465, 156787), (1245, 58559), (1889, 38595), (2573, 28335), (5667, 12865), (7719, 9445)]