7130871

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 12579840

約数和(自身を除く): 5448969

約数列:

[1, 3, 9, 11, 17, 19, 33, 51, 57, 99, 153, 171, 187, 209, 223, 323, 561, 627, 669, 969, 1683, 1881, 2007, 2453, 2907, 3553, 3791, 4237, 7359, 10659, 11373, 12711, 22077, 31977, 34119, 38133, 41701, 46607, 72029, 125103, 139821, 216087, 375309, 419463, 648261, 792319, 2376957, 7130871]

約数ペア:

[(1, 7130871), (3, 2376957), (9, 792319), (11, 648261), (17, 419463), (19, 375309), (33, 216087), (51, 139821), (57, 125103), (99, 72029), (153, 46607), (171, 41701), (187, 38133), (209, 34119), (223, 31977), (323, 22077), (561, 12711), (627, 11373), (669, 10659), (969, 7359), (1683, 4237), (1881, 3791), (2007, 3553), (2453, 2907)]