31040955

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20903}}^1$

素因数の和:20928

約数の個数: 32

約数和(自身を含む): 60203520

約数和(自身を除く): 29162565

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 20903, 62709, 104515, 188127, 229933, 313545, 564381, 689799, 940635, 1149665, 2069397, 2821905, 3448995, 6208191, 10346985, 31040955]

約数ペア:

[(1, 31040955), (3, 10346985), (5, 6208191), (9, 3448995), (11, 2821905), (15, 2069397), (27, 1149665), (33, 940635), (45, 689799), (55, 564381), (99, 313545), (135, 229933), (165, 188127), (297, 104515), (495, 62709), (1485, 20903)]