28127115

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2341}}^1$

素因数の和:2444

約数の個数: 32

約数和(自身を含む): 50587200

約数和(自身を除く): 22460085

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 801, 1335, 2341, 2403, 4005, 7023, 11705, 12015, 21069, 35115, 63207, 105345, 208349, 316035, 625047, 1041745, 1875141, 3125235, 5625423, 9375705, 28127115]

約数ペア:

[(1, 28127115), (3, 9375705), (5, 5625423), (9, 3125235), (15, 1875141), (27, 1041745), (45, 625047), (89, 316035), (135, 208349), (267, 105345), (445, 63207), (801, 35115), (1335, 21069), (2341, 12015), (2403, 11705), (4005, 7023)]