720000813

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{38053}}^1$

素因数の和:38133

約数の個数: 32

約数和(自身を含む): 1183631616

約数和(自身を除く): 463630803

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 357, 371, 901, 1113, 2703, 6307, 18921, 38053, 114159, 266371, 646901, 799113, 1940703, 2016809, 4528307, 6050427, 13584921, 14117663, 34285753, 42352989, 102857259, 240000271, 720000813]

約数ペア:

[(1, 720000813), (3, 240000271), (7, 102857259), (17, 42352989), (21, 34285753), (51, 14117663), (53, 13584921), (119, 6050427), (159, 4528307), (357, 2016809), (371, 1940703), (901, 799113), (1113, 646901), (2703, 266371), (6307, 114159), (18921, 38053)]