81971297919

素因数分解:

$3^3\times 7^2\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{3529}}^1$

素因数の和:3830

約数の個数: 96

約数和(自身を含む): 143551262400

約数和(自身を除く): 61579964481

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 97, 147, 181, 189, 291, 441, 543, 679, 873, 1267, 1323, 1629, 2037, 2619, 3529, 3801, 4753, 4887, 6111, 8869, 10587, 11403, 14259, 17557, 18333, 24703, 26607, 31761, 34209, 42777, 52671, 74109, 79821, 95283, 122899, 128331, 158013, 172921, 222327, 239463, 342313, 368697, 474039, 518763, 638749, 666981, 860293, 1026939, 1106091, 1556289, 1916247, 2396191, 2580879, 3080817, 3318273, 4471243, 4668867, 5748741, 7188573, 7742637, 9242451, 13413729, 16773337, 17246223, 21565719, 23227911, 31298701, 40241187, 50320011, 61958653, 64697157, 93896103, 120723561, 150960033, 185875959, 281688309, 433710571, 452880099, 557627877, 845064927, 1301131713, 1672883631, 3035973997, 3903395139, 9107921991, 11710185417, 27323765973, 81971297919]

約数ペア:

[(1, 81971297919), (3, 27323765973), (7, 11710185417), (9, 9107921991), (21, 3903395139), (27, 3035973997), (49, 1672883631), (63, 1301131713), (97, 845064927), (147, 557627877), (181, 452880099), (189, 433710571), (291, 281688309), (441, 185875959), (543, 150960033), (679, 120723561), (873, 93896103), (1267, 64697157), (1323, 61958653), (1629, 50320011), (2037, 40241187), (2619, 31298701), (3529, 23227911), (3801, 21565719), (4753, 17246223), (4887, 16773337), (6111, 13413729), (8869, 9242451), (10587, 7742637), (11403, 7188573), (14259, 5748741), (17557, 4668867), (18333, 4471243), (24703, 3318273), (26607, 3080817), (31761, 2580879), (34209, 2396191), (42777, 1916247), (52671, 1556289), (74109, 1106091), (79821, 1026939), (95283, 860293), (122899, 666981), (128331, 638749), (158013, 518763), (172921, 474039), (222327, 368697), (239463, 342313)]