31340385

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2797}}^1$

素因数の和:2894

約数の個数: 32

約数和(自身を含む): 56407680

約数和(自身を除く): 25067295

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 415, 747, 1245, 2241, 2797, 3735, 8391, 11205, 13985, 25173, 41955, 75519, 125865, 232151, 377595, 696453, 1160755, 2089359, 3482265, 6268077, 10446795, 31340385]

約数ペア:

[(1, 31340385), (3, 10446795), (5, 6268077), (9, 3482265), (15, 2089359), (27, 1160755), (45, 696453), (83, 377595), (135, 232151), (249, 125865), (415, 75519), (747, 41955), (1245, 25173), (2241, 13985), (2797, 11205), (3735, 8391)]