8728987239

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1993}}^1\times {\mathrm{3659}}^1$

素因数の和:5684

約数の個数: 48

約数和(自身を含む): 15179923200

約数和(自身を除く): 6450935961

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 1993, 3659, 5979, 10977, 13951, 17937, 25613, 32931, 37867, 41853, 69521, 76839, 113601, 125559, 208563, 230517, 265069, 340803, 486647, 625689, 795207, 1459941, 2385621, 4379823, 7292387, 21877161, 51046709, 65631483, 138555353, 153140127, 415666059, 459420381, 969887471, 1246998177, 2909662413, 8728987239]

約数ペア:

[(1, 8728987239), (3, 2909662413), (7, 1246998177), (9, 969887471), (19, 459420381), (21, 415666059), (57, 153140127), (63, 138555353), (133, 65631483), (171, 51046709), (399, 21877161), (1197, 7292387), (1993, 4379823), (3659, 2385621), (5979, 1459941), (10977, 795207), (13951, 625689), (17937, 486647), (25613, 340803), (32931, 265069), (37867, 230517), (41853, 208563), (69521, 125559), (76839, 113601)]