66900561

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 115906560

約数和(自身を除く): 49005999

約数列:

[1, 3, 7, 13, 21, 39, 41, 43, 91, 123, 129, 139, 273, 287, 301, 417, 533, 559, 861, 903, 973, 1599, 1677, 1763, 1807, 2919, 3731, 3913, 5289, 5421, 5699, 5977, 11193, 11739, 12341, 12649, 17097, 17931, 22919, 37023, 37947, 39893, 41839, 68757, 74087, 77701, 119679, 125517, 160433, 222261, 233103, 245057, 481299, 518609, 543907, 735171, 1555827, 1631721, 1715399, 3185741, 5146197, 9557223, 22300187, 66900561]

約数ペア:

[(1, 66900561), (3, 22300187), (7, 9557223), (13, 5146197), (21, 3185741), (39, 1715399), (41, 1631721), (43, 1555827), (91, 735171), (123, 543907), (129, 518609), (139, 481299), (273, 245057), (287, 233103), (301, 222261), (417, 160433), (533, 125517), (559, 119679), (861, 77701), (903, 74087), (973, 68757), (1599, 41839), (1677, 39893), (1763, 37947), (1807, 37023), (2919, 22919), (3731, 17931), (3913, 17097), (5289, 12649), (5421, 12341), (5699, 11739), (5977, 11193)]