2987666721

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{1621}}^1$

素因数の和:1791

約数の個数: 64

約数和(自身を含む): 4904928000

約数和(自身を除く): 1917261279

約数列:

[1, 3, 9, 13, 27, 39, 59, 89, 117, 177, 267, 351, 531, 767, 801, 1157, 1593, 1621, 2301, 2403, 3471, 4863, 5251, 6903, 10413, 14589, 15753, 20709, 21073, 31239, 43767, 47259, 63219, 68263, 95639, 141777, 144269, 189657, 204789, 286917, 432807, 568971, 614367, 860751, 1243307, 1298421, 1843101, 1875497, 2582253, 3729921, 3895263, 5626491, 8511871, 11189763, 16879473, 25535613, 33569289, 50638419, 76606839, 110654323, 229820517, 331962969, 995888907, 2987666721]

約数ペア:

[(1, 2987666721), (3, 995888907), (9, 331962969), (13, 229820517), (27, 110654323), (39, 76606839), (59, 50638419), (89, 33569289), (117, 25535613), (177, 16879473), (267, 11189763), (351, 8511871), (531, 5626491), (767, 3895263), (801, 3729921), (1157, 2582253), (1593, 1875497), (1621, 1843101), (2301, 1298421), (2403, 1243307), (3471, 860751), (4863, 614367), (5251, 568971), (6903, 432807), (10413, 286917), (14589, 204789), (15753, 189657), (20709, 144269), (21073, 141777), (31239, 95639), (43767, 68263), (47259, 63219)]