1987321264173

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{467}}^1\times {\mathrm{493049}}^1$

素因数の和:493666

約数の個数: 48

約数和(自身を含む): 3311686684800

約数和(自身を除く): 1324365420627

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 467, 959, 1233, 1401, 2877, 3269, 4203, 8631, 9807, 29421, 63979, 191937, 447853, 493049, 575811, 1343559, 1479147, 3451343, 4030677, 4437441, 10354029, 31062087, 67547713, 202643139, 230253883, 472833991, 607929417, 690761649, 1418501973, 1611777181, 2072284947, 4255505919, 4835331543, 14505994629, 31544781971, 94634345913, 220813473797, 283903037739, 662440421391, 1987321264173]

約数ペア:

[(1, 1987321264173), (3, 662440421391), (7, 283903037739), (9, 220813473797), (21, 94634345913), (63, 31544781971), (137, 14505994629), (411, 4835331543), (467, 4255505919), (959, 2072284947), (1233, 1611777181), (1401, 1418501973), (2877, 690761649), (3269, 607929417), (4203, 472833991), (8631, 230253883), (9807, 202643139), (29421, 67547713), (63979, 31062087), (191937, 10354029), (447853, 4437441), (493049, 4030677), (575811, 3451343), (1343559, 1479147)]