72156189

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{409}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 114196480

約数和(自身を除く): 42040291

約数列:

[1, 3, 7, 21, 31, 93, 217, 271, 409, 651, 813, 1227, 1897, 2863, 5691, 8401, 8589, 12679, 25203, 38037, 58807, 88753, 110839, 176421, 266259, 332517, 775873, 2327619, 3436009, 10308027, 24052063, 72156189]

約数ペア:

[(1, 72156189), (3, 24052063), (7, 10308027), (21, 3436009), (31, 2327619), (93, 775873), (217, 332517), (271, 266259), (409, 176421), (651, 110839), (813, 88753), (1227, 58807), (1897, 38037), (2863, 25203), (5691, 12679), (8401, 8589)]