31649643

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:608

約数の個数: 32

約数和(自身を含む): 49190400

約数和(自身を除く): 17540757

約数列:

[1, 3, 9, 27, 29, 83, 87, 249, 261, 487, 747, 783, 1461, 2241, 2407, 4383, 7221, 13149, 14123, 21663, 40421, 42369, 64989, 121263, 127107, 363789, 381321, 1091367, 1172209, 3516627, 10549881, 31649643]

約数ペア:

[(1, 31649643), (3, 10549881), (9, 3516627), (27, 1172209), (29, 1091367), (83, 381321), (87, 363789), (249, 127107), (261, 121263), (487, 64989), (747, 42369), (783, 40421), (1461, 21663), (2241, 14123), (2407, 13149), (4383, 7221)]