12840165

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 24530688

約数和(自身を除く): 11690523

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 65, 117, 141, 195, 235, 423, 467, 585, 611, 705, 1401, 1833, 2115, 2335, 3055, 4203, 5499, 6071, 7005, 9165, 18213, 21015, 21949, 27495, 30355, 54639, 65847, 91065, 109745, 197541, 273195, 285337, 329235, 856011, 987705, 1426685, 2568033, 4280055, 12840165]

約数ペア:

[(1, 12840165), (3, 4280055), (5, 2568033), (9, 1426685), (13, 987705), (15, 856011), (39, 329235), (45, 285337), (47, 273195), (65, 197541), (117, 109745), (141, 91065), (195, 65847), (235, 54639), (423, 30355), (467, 27495), (585, 21949), (611, 21015), (705, 18213), (1401, 9165), (1833, 7005), (2115, 6071), (2335, 5499), (3055, 4203)]