2221965

素因数分解:

$3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:274

約数の個数: 32

約数和(自身を含む): 4012800

約数和(自身を除く): 1790835

約数列:

[1, 3, 5, 9, 15, 27, 45, 109, 135, 151, 327, 453, 545, 755, 981, 1359, 1635, 2265, 2943, 4077, 4905, 6795, 14715, 16459, 20385, 49377, 82295, 148131, 246885, 444393, 740655, 2221965]

約数ペア:

[(1, 2221965), (3, 740655), (5, 444393), (9, 246885), (15, 148131), (27, 82295), (45, 49377), (109, 20385), (135, 16459), (151, 14715), (327, 6795), (453, 4905), (545, 4077), (755, 2943), (981, 2265), (1359, 1635)]