142723413

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 245606400

約数和(自身を除く): 102882987

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 191, 203, 261, 409, 573, 609, 1227, 1337, 1719, 1827, 2863, 3681, 4011, 5539, 8589, 11861, 12033, 16617, 25767, 35583, 38773, 49851, 78119, 83027, 106749, 116319, 234357, 249081, 348957, 546833, 703071, 747243, 1640499, 2265451, 4921497, 6796353, 15858157, 20389059, 47574471, 142723413]

約数ペア:

[(1, 142723413), (3, 47574471), (7, 20389059), (9, 15858157), (21, 6796353), (29, 4921497), (63, 2265451), (87, 1640499), (191, 747243), (203, 703071), (261, 546833), (409, 348957), (573, 249081), (609, 234357), (1227, 116319), (1337, 106749), (1719, 83027), (1827, 78119), (2863, 49851), (3681, 38773), (4011, 35583), (5539, 25767), (8589, 16617), (11861, 12033)]