140147279979

素因数分解:

$3^1\times 7^4\times {\mathrm{19456793}}^1$

素因数の和:19456824

約数の個数: 20

約数和(自身を含む): 217993919976

約数和(自身を除く): 77846639997

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 19456793, 58370379, 136197551, 408592653, 953382857, 2860148571, 6673679999, 20021039997, 46715759993, 140147279979]

約数ペア:

[(1, 140147279979), (3, 46715759993), (7, 20021039997), (21, 6673679999), (49, 2860148571), (147, 953382857), (343, 408592653), (1029, 136197551), (2401, 58370379), (7203, 19456793)]