28644915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8641}}^1$

素因数の和:8679

約数の個数: 32

約数和(自身を含む): 52266816

約数和(自身を除く): 23621901

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 8641, 25923, 43205, 112333, 129615, 146897, 336999, 440691, 561665, 734485, 1684995, 1909661, 2203455, 5728983, 9548305, 28644915]

約数ペア:

[(1, 28644915), (3, 9548305), (5, 5728983), (13, 2203455), (15, 1909661), (17, 1684995), (39, 734485), (51, 561665), (65, 440691), (85, 336999), (195, 146897), (221, 129615), (255, 112333), (663, 43205), (1105, 25923), (3315, 8641)]