669027639

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1861}}^1$

素因数の和:1960

約数の個数: 64

約数和(自身を含む): 1158312960

約数和(自身を除く): 489285321

約数列:

[1, 3, 7, 17, 19, 21, 51, 53, 57, 119, 133, 159, 323, 357, 371, 399, 901, 969, 1007, 1113, 1861, 2261, 2703, 3021, 5583, 6307, 6783, 7049, 13027, 17119, 18921, 21147, 31637, 35359, 39081, 51357, 94911, 98633, 106077, 119833, 221459, 247513, 295899, 359499, 601103, 664377, 690431, 742539, 1676761, 1803309, 1874027, 2071293, 4207721, 5030283, 5622081, 11737327, 12623163, 13118189, 31858459, 35211981, 39354567, 95575377, 223009213, 669027639]

約数ペア:

[(1, 669027639), (3, 223009213), (7, 95575377), (17, 39354567), (19, 35211981), (21, 31858459), (51, 13118189), (53, 12623163), (57, 11737327), (119, 5622081), (133, 5030283), (159, 4207721), (323, 2071293), (357, 1874027), (371, 1803309), (399, 1676761), (901, 742539), (969, 690431), (1007, 664377), (1113, 601103), (1861, 359499), (2261, 295899), (2703, 247513), (3021, 221459), (5583, 119833), (6307, 106077), (6783, 98633), (7049, 94911), (13027, 51357), (17119, 39081), (18921, 35359), (21147, 31637)]