81580635

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{5867}}^1$

素因数の和:5984

約数の個数: 32

約数和(自身を含む): 146465280

約数和(自身を除く): 64884645

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1545, 2781, 4635, 5867, 13905, 17601, 29335, 52803, 88005, 158409, 264015, 604301, 792045, 1812903, 3021505, 5438709, 9064515, 16316127, 27193545, 81580635]

約数ペア:

[(1, 81580635), (3, 27193545), (5, 16316127), (9, 9064515), (15, 5438709), (27, 3021505), (45, 1812903), (103, 792045), (135, 604301), (309, 264015), (515, 158409), (927, 88005), (1545, 52803), (2781, 29335), (4635, 17601), (5867, 13905)]