12878385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 22366848

約数和(自身を除く): 9488463

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 211, 313, 633, 939, 1055, 1565, 2743, 3165, 4069, 4695, 8229, 12207, 13715, 20345, 41145, 61035, 66043, 198129, 330215, 858559, 990645, 2575677, 4292795, 12878385]

約数ペア:

[(1, 12878385), (3, 4292795), (5, 2575677), (13, 990645), (15, 858559), (39, 330215), (65, 198129), (195, 66043), (211, 61035), (313, 41145), (633, 20345), (939, 13715), (1055, 12207), (1565, 8229), (2743, 4695), (3165, 4069)]