28688385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9151}}^1$

素因数の和:9189

約数の個数: 32

約数和(自身を含む): 52715520

約数和(自身を除く): 24027135

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 9151, 27453, 45755, 100661, 137265, 173869, 301983, 503305, 521607, 869345, 1509915, 1912559, 2608035, 5737677, 9562795, 28688385]

約数ペア:

[(1, 28688385), (3, 9562795), (5, 5737677), (11, 2608035), (15, 1912559), (19, 1509915), (33, 869345), (55, 521607), (57, 503305), (95, 301983), (165, 173869), (209, 137265), (285, 100661), (627, 45755), (1045, 27453), (3135, 9151)]