121791901

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 164685312

約数和(自身を除く): 42893411

約数列:

[1, 7, 11, 31, 37, 49, 77, 197, 217, 259, 341, 407, 539, 1147, 1379, 1519, 1813, 2167, 2387, 2849, 6107, 7289, 8029, 9653, 12617, 15169, 16709, 19943, 42749, 51023, 56203, 67177, 80179, 88319, 106183, 225959, 299243, 357161, 470239, 561253, 618233, 1581713, 2485549, 3291673, 3928771, 11071991, 17398843, 121791901]

約数ペア:

[(1, 121791901), (7, 17398843), (11, 11071991), (31, 3928771), (37, 3291673), (49, 2485549), (77, 1581713), (197, 618233), (217, 561253), (259, 470239), (341, 357161), (407, 299243), (539, 225959), (1147, 106183), (1379, 88319), (1519, 80179), (1813, 67177), (2167, 56203), (2387, 51023), (2849, 42749), (6107, 19943), (7289, 16709), (8029, 15169), (9653, 12617)]