81954873

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:875

約数の個数: 72

約数和(自身を含む): 160340544

約数和(自身を除く): 78385671

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 121, 143, 231, 273, 363, 429, 693, 819, 827, 847, 1001, 1089, 1287, 1573, 2481, 2541, 3003, 4719, 5789, 7443, 7623, 9009, 9097, 10751, 11011, 14157, 17367, 27291, 32253, 33033, 52101, 63679, 75257, 81873, 96759, 99099, 100067, 118261, 191037, 225771, 300201, 354783, 573111, 677313, 700469, 827827, 900603, 1064349, 1300871, 2101407, 2483481, 3902613, 6304221, 7450443, 9106097, 11707839, 27318291, 81954873]

約数ペア:

[(1, 81954873), (3, 27318291), (7, 11707839), (9, 9106097), (11, 7450443), (13, 6304221), (21, 3902613), (33, 2483481), (39, 2101407), (63, 1300871), (77, 1064349), (91, 900603), (99, 827827), (117, 700469), (121, 677313), (143, 573111), (231, 354783), (273, 300201), (363, 225771), (429, 191037), (693, 118261), (819, 100067), (827, 99099), (847, 96759), (1001, 81873), (1089, 75257), (1287, 63679), (1573, 52101), (2481, 33033), (2541, 32253), (3003, 27291), (4719, 17367), (5789, 14157), (7443, 11011), (7623, 10751), (9009, 9097)]