31660551

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:413

約数の個数: 40

約数和(自身を含む): 51592464

約数和(自身を除く): 19931913

約数列:

[1, 3, 9, 13, 27, 39, 81, 107, 117, 281, 321, 351, 843, 963, 1053, 1391, 2529, 2889, 3653, 4173, 7587, 8667, 10959, 12519, 22761, 30067, 32877, 37557, 90201, 98631, 112671, 270603, 295893, 390871, 811809, 1172613, 2435427, 3517839, 10553517, 31660551]

約数ペア:

[(1, 31660551), (3, 10553517), (9, 3517839), (13, 2435427), (27, 1172613), (39, 811809), (81, 390871), (107, 295893), (117, 270603), (281, 112671), (321, 98631), (351, 90201), (843, 37557), (963, 32877), (1053, 30067), (1391, 22761), (2529, 12519), (2889, 10959), (3653, 8667), (4173, 7587)]