39947877

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 61795200

約数和(自身を除く): 21847323

約数列:

[1, 3, 9, 27, 29, 87, 163, 261, 313, 489, 783, 939, 1467, 2817, 4401, 4727, 8451, 9077, 14181, 27231, 42543, 51019, 81693, 127629, 153057, 245079, 459171, 1377513, 1479551, 4438653, 13315959, 39947877]

約数ペア:

[(1, 39947877), (3, 13315959), (9, 4438653), (27, 1479551), (29, 1377513), (87, 459171), (163, 245079), (261, 153057), (313, 127629), (489, 81693), (783, 51019), (939, 42543), (1467, 27231), (2817, 14181), (4401, 9077), (4727, 8451)]