71297955

素因数分解:

$3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2503}}^1$

素因数の和:2728

約数の個数: 32

約数和(自身を含む): 127403520

約数和(自身を除く): 56105565

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211, 633, 1055, 1899, 2503, 3165, 5697, 7509, 9495, 12515, 22527, 28485, 37545, 67581, 112635, 337905, 528133, 1584399, 2640665, 4753197, 7921995, 14259591, 23765985, 71297955]

約数ペア:

[(1, 71297955), (3, 23765985), (5, 14259591), (9, 7921995), (15, 4753197), (27, 2640665), (45, 1584399), (135, 528133), (211, 337905), (633, 112635), (1055, 67581), (1899, 37545), (2503, 28485), (3165, 22527), (5697, 12515), (7509, 9495)]