51189489

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:479

約数の個数: 40

約数和(自身を含む): 83121192

約数和(自身を除く): 31931703

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 173, 281, 351, 519, 843, 1053, 1557, 2249, 2529, 3653, 4671, 6747, 7587, 10959, 14013, 20241, 22761, 32877, 48613, 60723, 98631, 145839, 182169, 295893, 437517, 631969, 1312551, 1895907, 3937653, 5687721, 17063163, 51189489]

約数ペア:

[(1, 51189489), (3, 17063163), (9, 5687721), (13, 3937653), (27, 1895907), (39, 1312551), (81, 631969), (117, 437517), (173, 295893), (281, 182169), (351, 145839), (519, 98631), (843, 60723), (1053, 48613), (1557, 32877), (2249, 22761), (2529, 20241), (3653, 14013), (4671, 10959), (6747, 7587)]