2961855

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 5687136

約数和(自身を除く): 2725281

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 83, 117, 183, 195, 249, 305, 415, 549, 585, 747, 793, 915, 1079, 1245, 2379, 2745, 3237, 3735, 3965, 5063, 5395, 7137, 9711, 11895, 15189, 16185, 25315, 35685, 45567, 48555, 65819, 75945, 197457, 227835, 329095, 592371, 987285, 2961855]

約数ペア:

[(1, 2961855), (3, 987285), (5, 592371), (9, 329095), (13, 227835), (15, 197457), (39, 75945), (45, 65819), (61, 48555), (65, 45567), (83, 35685), (117, 25315), (183, 16185), (195, 15189), (249, 11895), (305, 9711), (415, 7137), (549, 5395), (585, 5063), (747, 3965), (793, 3735), (915, 3237), (1079, 2745), (1245, 2379)]