31385205

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2801}}^1$

素因数の和:2898

約数の個数: 32

約数和(自身を含む): 56488320

約数和(自身を除く): 25103115

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 415, 747, 1245, 2241, 2801, 3735, 8403, 11205, 14005, 25209, 42015, 75627, 126045, 232483, 378135, 697449, 1162415, 2092347, 3487245, 6277041, 10461735, 31385205]

約数ペア:

[(1, 31385205), (3, 10461735), (5, 6277041), (9, 3487245), (15, 2092347), (27, 1162415), (45, 697449), (83, 378135), (135, 232483), (249, 126045), (415, 75627), (747, 42015), (1245, 25209), (2241, 14005), (2801, 11205), (3735, 8403)]