2242665

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 4255680

約数和(自身を除く): 2013015

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 61, 95, 129, 171, 183, 215, 285, 305, 387, 549, 645, 817, 855, 915, 1159, 1935, 2451, 2623, 2745, 3477, 4085, 5795, 7353, 7869, 10431, 12255, 13115, 17385, 23607, 36765, 39345, 49837, 52155, 118035, 149511, 249185, 448533, 747555, 2242665]

約数ペア:

[(1, 2242665), (3, 747555), (5, 448533), (9, 249185), (15, 149511), (19, 118035), (43, 52155), (45, 49837), (57, 39345), (61, 36765), (95, 23607), (129, 17385), (171, 13115), (183, 12255), (215, 10431), (285, 7869), (305, 7353), (387, 5795), (549, 4085), (645, 3477), (817, 2745), (855, 2623), (915, 2451), (1159, 1935)]