28579455

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 52767936

約数和(自身を除く): 24188481

約数列:

[1, 3, 5, 9, 15, 23, 45, 53, 69, 115, 159, 207, 265, 345, 477, 521, 795, 1035, 1219, 1563, 2385, 2605, 3657, 4689, 6095, 7815, 10971, 11983, 18285, 23445, 27613, 35949, 54855, 59915, 82839, 107847, 138065, 179745, 248517, 414195, 539235, 635099, 1242585, 1905297, 3175495, 5715891, 9526485, 28579455]

約数ペア:

[(1, 28579455), (3, 9526485), (5, 5715891), (9, 3175495), (15, 1905297), (23, 1242585), (45, 635099), (53, 539235), (69, 414195), (115, 248517), (159, 179745), (207, 138065), (265, 107847), (345, 82839), (477, 59915), (521, 54855), (795, 35949), (1035, 27613), (1219, 23445), (1563, 18285), (2385, 11983), (2605, 10971), (3657, 7815), (4689, 6095)]