72126579

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 116964000

約数和(自身を除く): 44837421

約数列:

[1, 3, 7, 21, 37, 49, 89, 111, 147, 149, 259, 267, 447, 623, 777, 1043, 1813, 1869, 3129, 3293, 4361, 5439, 5513, 7301, 9879, 13083, 13261, 16539, 21903, 23051, 38591, 39783, 69153, 92827, 115773, 161357, 270137, 278481, 484071, 490657, 649789, 810411, 1471971, 1949367, 3434599, 10303797, 24042193, 72126579]

約数ペア:

[(1, 72126579), (3, 24042193), (7, 10303797), (21, 3434599), (37, 1949367), (49, 1471971), (89, 810411), (111, 649789), (147, 490657), (149, 484071), (259, 278481), (267, 270137), (447, 161357), (623, 115773), (777, 92827), (1043, 69153), (1813, 39783), (1869, 38591), (3129, 23051), (3293, 21903), (4361, 16539), (5439, 13261), (5513, 13083), (7301, 9879)]