86907387

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1567}}^1$

素因数の和:1735

約数の個数: 32

約数和(自身を含む): 140492800

約数和(自身を除く): 53585413

約数列:

[1, 3, 7, 19, 21, 57, 133, 139, 399, 417, 973, 1567, 2641, 2919, 4701, 7923, 10969, 18487, 29773, 32907, 55461, 89319, 208411, 217813, 625233, 653439, 1524691, 4138447, 4574073, 12415341, 28969129, 86907387]

約数ペア:

[(1, 86907387), (3, 28969129), (7, 12415341), (19, 4574073), (21, 4138447), (57, 1524691), (133, 653439), (139, 625233), (399, 217813), (417, 208411), (973, 89319), (1567, 55461), (2641, 32907), (2919, 29773), (4701, 18487), (7923, 10969)]