31285293

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 46986240

約数和(自身を除く): 15700947

約数列:

[1, 3, 13, 31, 39, 93, 113, 229, 339, 403, 687, 1209, 1469, 2977, 3503, 4407, 7099, 8931, 10509, 21297, 25877, 45539, 77631, 92287, 136617, 276861, 336401, 802187, 1009203, 2406561, 10428431, 31285293]

約数ペア:

[(1, 31285293), (3, 10428431), (13, 2406561), (31, 1009203), (39, 802187), (93, 336401), (113, 276861), (229, 136617), (339, 92287), (403, 77631), (687, 45539), (1209, 25877), (1469, 21297), (2977, 10509), (3503, 8931), (4407, 7099)]