127742877

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:973

約数の個数: 24

約数和(自身を含む): 187438680

約数和(自身を除く): 59695803

約数列:

[1, 3, 9, 109, 197, 327, 591, 661, 981, 1773, 1983, 5949, 21473, 64419, 72049, 130217, 193257, 216147, 390651, 648441, 1171953, 14193653, 42580959, 127742877]

約数ペア:

[(1, 127742877), (3, 42580959), (9, 14193653), (109, 1171953), (197, 648441), (327, 390651), (591, 216147), (661, 193257), (981, 130217), (1773, 72049), (1983, 64419), (5949, 21473)]