642000573

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{70141}}^1$

素因数の和:70266

約数の個数: 20

約数和(自身を含む): 967538748

約数和(自身を除く): 325538175

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 3051, 9153, 70141, 210423, 631269, 1893807, 5681421, 7925933, 23777799, 71333397, 214000191, 642000573]

約数ペア:

[(1, 642000573), (3, 214000191), (9, 71333397), (27, 23777799), (81, 7925933), (113, 5681421), (339, 1893807), (1017, 631269), (3051, 210423), (9153, 70141)]