9781317

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1327}}^1$

素因数の和:1359

約数の個数: 40

約数和(自身を含む): 17997056

約数和(自身を除く): 8215739

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 1327, 2457, 3981, 7371, 9289, 11943, 17251, 27867, 35829, 51753, 83601, 107487, 120757, 155259, 250803, 362271, 465777, 752409, 1086813, 1397331, 3260439, 9781317]

約数ペア:

[(1, 9781317), (3, 3260439), (7, 1397331), (9, 1086813), (13, 752409), (21, 465777), (27, 362271), (39, 250803), (63, 155259), (81, 120757), (91, 107487), (117, 83601), (189, 51753), (273, 35829), (351, 27867), (567, 17251), (819, 11943), (1053, 9289), (1327, 7371), (2457, 3981)]