87721599

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2\times {\mathrm{61}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 143292416

約数和(自身を除く): 55570817

約数列:

[1, 3, 7, 21, 31, 47, 61, 93, 141, 183, 217, 329, 427, 651, 987, 1281, 1457, 1891, 2209, 2867, 4371, 5673, 6627, 8601, 10199, 13237, 15463, 20069, 30597, 39711, 46389, 60207, 68479, 88877, 134749, 205437, 266631, 404247, 479353, 622139, 943243, 1438059, 1866417, 2829729, 4177219, 12531657, 29240533, 87721599]

約数ペア:

[(1, 87721599), (3, 29240533), (7, 12531657), (21, 4177219), (31, 2829729), (47, 1866417), (61, 1438059), (93, 943243), (141, 622139), (183, 479353), (217, 404247), (329, 266631), (427, 205437), (651, 134749), (987, 88877), (1281, 68479), (1457, 60207), (1891, 46389), (2209, 39711), (2867, 30597), (4371, 20069), (5673, 15463), (6627, 13237), (8601, 10199)]