7890352281

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1373}}^1\times {\mathrm{4801}}^1$

素因数の和:6206

約数の個数: 48

約数和(自身を含む): 13723731840

約数和(自身を除く): 5833379559

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 1373, 4119, 4801, 9611, 12357, 14403, 26087, 28833, 33607, 43209, 78261, 86499, 91219, 100821, 182609, 234783, 273657, 302463, 547827, 638533, 820971, 1643481, 1915599, 5746797, 6591773, 19775319, 46142411, 59325957, 125243687, 138427233, 375731061, 415281699, 876705809, 1127193183, 2630117427, 7890352281]

約数ペア:

[(1, 7890352281), (3, 2630117427), (7, 1127193183), (9, 876705809), (19, 415281699), (21, 375731061), (57, 138427233), (63, 125243687), (133, 59325957), (171, 46142411), (399, 19775319), (1197, 6591773), (1373, 5746797), (4119, 1915599), (4801, 1643481), (9611, 820971), (12357, 638533), (14403, 547827), (26087, 302463), (28833, 273657), (33607, 234783), (43209, 182609), (78261, 100821), (86499, 91219)]