201221031

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{823}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 303759360

約数和(自身を除く): 102538329

約数列:

[1, 3, 11, 31, 33, 93, 239, 341, 717, 823, 1023, 2469, 2629, 7409, 7887, 9053, 22227, 25513, 27159, 76539, 81499, 196697, 244497, 280643, 590091, 841929, 2163667, 6097607, 6491001, 18292821, 67073677, 201221031]

約数ペア:

[(1, 201221031), (3, 67073677), (11, 18292821), (31, 6491001), (33, 6097607), (93, 2163667), (239, 841929), (341, 590091), (717, 280643), (823, 244497), (1023, 196697), (2469, 81499), (2629, 76539), (7409, 27159), (7887, 25513), (9053, 22227)]