642807243

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{8237}}^1$

素因数の和:8308

約数の個数: 48

約数和(自身を含む): 1079507520

約数和(自身を除く): 436700277

約数列:

[1, 3, 9, 13, 23, 29, 39, 69, 87, 117, 207, 261, 299, 377, 667, 897, 1131, 2001, 2691, 3393, 6003, 8237, 8671, 24711, 26013, 74133, 78039, 107081, 189451, 238873, 321243, 568353, 716619, 963729, 1705059, 2149857, 2462863, 3105349, 5494079, 7388589, 9316047, 16482237, 22165767, 27948141, 49446711, 71423027, 214269081, 642807243]

約数ペア:

[(1, 642807243), (3, 214269081), (9, 71423027), (13, 49446711), (23, 27948141), (29, 22165767), (39, 16482237), (69, 9316047), (87, 7388589), (117, 5494079), (207, 3105349), (261, 2462863), (299, 2149857), (377, 1705059), (667, 963729), (897, 716619), (1131, 568353), (2001, 321243), (2691, 238873), (3393, 189451), (6003, 107081), (8237, 78039), (8671, 74133), (24711, 26013)]