140805561

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 219248640

約数和(自身を除く): 78443079

約数列:

[1, 3, 13, 19, 39, 47, 57, 141, 169, 247, 311, 507, 611, 741, 893, 933, 1833, 2679, 3211, 4043, 5909, 7943, 9633, 11609, 12129, 14617, 17727, 23829, 34827, 43851, 52559, 76817, 150917, 157677, 190021, 230451, 277723, 452751, 570063, 833169, 998621, 2470273, 2995863, 3610399, 7410819, 10831197, 46935187, 140805561]

約数ペア:

[(1, 140805561), (3, 46935187), (13, 10831197), (19, 7410819), (39, 3610399), (47, 2995863), (57, 2470273), (141, 998621), (169, 833169), (247, 570063), (311, 452751), (507, 277723), (611, 230451), (741, 190021), (893, 157677), (933, 150917), (1833, 76817), (2679, 52559), (3211, 43851), (4043, 34827), (5909, 23829), (7943, 17727), (9633, 14617), (11609, 12129)]