339908973

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 488773632

約数和(自身を除く): 148864659

約数列:

[1, 3, 23, 37, 69, 111, 211, 631, 633, 851, 1893, 2553, 4853, 7807, 14513, 14559, 23347, 23421, 43539, 70041, 133141, 179561, 399423, 536981, 538683, 1610943, 3062243, 4926217, 9186729, 14778651, 113302991, 339908973]

約数ペア:

[(1, 339908973), (3, 113302991), (23, 14778651), (37, 9186729), (69, 4926217), (111, 3062243), (211, 1610943), (631, 538683), (633, 536981), (851, 399423), (1893, 179561), (2553, 133141), (4853, 70041), (7807, 43539), (14513, 23421), (14559, 23347)]