72167907

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{6521}}^1$

素因数の和:6579

約数の個数: 32

約数和(自身を含む): 120213504

約数和(自身を除く): 48045597

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 217, 357, 527, 651, 1581, 3689, 6521, 11067, 19563, 45647, 110857, 136941, 202151, 332571, 606453, 775999, 1415057, 2327997, 3436567, 4245171, 10309701, 24055969, 72167907]

約数ペア:

[(1, 72167907), (3, 24055969), (7, 10309701), (17, 4245171), (21, 3436567), (31, 2327997), (51, 1415057), (93, 775999), (119, 606453), (217, 332571), (357, 202151), (527, 136941), (651, 110857), (1581, 45647), (3689, 19563), (6521, 11067)]