8158605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 16558080

約数和(自身を除く): 8399475

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 43, 65, 91, 105, 129, 139, 195, 215, 273, 301, 417, 455, 559, 645, 695, 903, 973, 1365, 1505, 1677, 1807, 2085, 2795, 2919, 3913, 4515, 4865, 5421, 5977, 8385, 9035, 11739, 12649, 14595, 17931, 19565, 27105, 29885, 37947, 41839, 58695, 63245, 77701, 89655, 125517, 189735, 209195, 233103, 388505, 543907, 627585, 1165515, 1631721, 2719535, 8158605]

約数ペア:

[(1, 8158605), (3, 2719535), (5, 1631721), (7, 1165515), (13, 627585), (15, 543907), (21, 388505), (35, 233103), (39, 209195), (43, 189735), (65, 125517), (91, 89655), (105, 77701), (129, 63245), (139, 58695), (195, 41839), (215, 37947), (273, 29885), (301, 27105), (417, 19565), (455, 17931), (559, 14595), (645, 12649), (695, 11739), (903, 9035), (973, 8385), (1365, 5977), (1505, 5421), (1677, 4865), (1807, 4515), (2085, 3913), (2795, 2919)]