247742157

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{691}}^1$

素因数の和:1053

約数の個数: 32

約数和(自身を含む): 369694080

約数和(自身を除く): 121951923

約数列:

[1, 3, 13, 29, 39, 87, 317, 377, 691, 951, 1131, 2073, 4121, 8983, 9193, 12363, 20039, 26949, 27579, 60117, 119509, 219047, 260507, 358527, 657141, 781521, 2847611, 6352363, 8542833, 19057089, 82580719, 247742157]

約数ペア:

[(1, 247742157), (3, 82580719), (13, 19057089), (29, 8542833), (39, 6352363), (87, 2847611), (317, 781521), (377, 657141), (691, 358527), (951, 260507), (1131, 219047), (2073, 119509), (4121, 60117), (8983, 27579), (9193, 26949), (12363, 20039)]