12723399

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 21019152

約数和(自身を除く): 8295753

約数列:

[1, 3, 9, 13, 27, 39, 43, 81, 117, 129, 281, 351, 387, 559, 843, 1053, 1161, 1677, 2529, 3483, 3653, 5031, 7587, 10959, 12083, 15093, 22761, 32877, 36249, 45279, 98631, 108747, 157079, 295893, 326241, 471237, 978723, 1413711, 4241133, 12723399]

約数ペア:

[(1, 12723399), (3, 4241133), (9, 1413711), (13, 978723), (27, 471237), (39, 326241), (43, 295893), (81, 157079), (117, 108747), (129, 98631), (281, 45279), (351, 36249), (387, 32877), (559, 22761), (843, 15093), (1053, 12083), (1161, 10959), (1677, 7587), (2529, 5031), (3483, 3653)]