12561705

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 23783760

約数和(自身を除く): 11222055

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 109, 117, 195, 197, 327, 545, 585, 591, 981, 985, 1417, 1635, 1773, 2561, 2955, 4251, 4905, 7085, 7683, 8865, 12753, 12805, 21255, 21473, 23049, 38415, 63765, 64419, 107365, 115245, 193257, 279149, 322095, 837447, 966285, 1395745, 2512341, 4187235, 12561705]

約数ペア:

[(1, 12561705), (3, 4187235), (5, 2512341), (9, 1395745), (13, 966285), (15, 837447), (39, 322095), (45, 279149), (65, 193257), (109, 115245), (117, 107365), (195, 64419), (197, 63765), (327, 38415), (545, 23049), (585, 21473), (591, 21255), (981, 12805), (985, 12753), (1417, 8865), (1635, 7683), (1773, 7085), (2561, 4905), (2955, 4251)]