31960071

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 57133440

約数和(自身を除く): 25173369

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 57, 99, 117, 143, 171, 209, 247, 429, 627, 741, 1287, 1307, 1881, 2223, 2717, 3921, 8151, 11763, 14377, 16991, 24453, 24833, 43131, 50973, 74499, 129393, 152919, 186901, 223497, 273163, 322829, 560703, 819489, 968487, 1682109, 2458467, 2905461, 3551119, 10653357, 31960071]

約数ペア:

[(1, 31960071), (3, 10653357), (9, 3551119), (11, 2905461), (13, 2458467), (19, 1682109), (33, 968487), (39, 819489), (57, 560703), (99, 322829), (117, 273163), (143, 223497), (171, 186901), (209, 152919), (247, 129393), (429, 74499), (627, 50973), (741, 43131), (1287, 24833), (1307, 24453), (1881, 16991), (2223, 14377), (2717, 11763), (3921, 8151)]