31337523

素因数分解:

$3^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 56678400

約数和(自身を除く): 25340877

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 89, 161, 189, 207, 243, 267, 483, 567, 621, 623, 729, 801, 1449, 1701, 1863, 1869, 2047, 2187, 2403, 4347, 5103, 5589, 5607, 6141, 7209, 13041, 14329, 15309, 16767, 16821, 18423, 21627, 39123, 42987, 50301, 50463, 55269, 64881, 117369, 128961, 151389, 165807, 194643, 352107, 386883, 454167, 497421, 1160649, 1362501, 1492263, 3481947, 4476789, 10445841, 31337523]

約数ペア:

[(1, 31337523), (3, 10445841), (7, 4476789), (9, 3481947), (21, 1492263), (23, 1362501), (27, 1160649), (63, 497421), (69, 454167), (81, 386883), (89, 352107), (161, 194643), (189, 165807), (207, 151389), (243, 128961), (267, 117369), (483, 64881), (567, 55269), (621, 50463), (623, 50301), (729, 42987), (801, 39123), (1449, 21627), (1701, 18423), (1863, 16821), (1869, 16767), (2047, 15309), (2187, 14329), (2403, 13041), (4347, 7209), (5103, 6141), (5589, 5607)]