30901983

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 48660480

約数和(自身を除く): 17758497

約数列:

[1, 3, 7, 21, 47, 131, 141, 239, 329, 393, 717, 917, 987, 1673, 2751, 5019, 6157, 11233, 18471, 31309, 33699, 43099, 78631, 93927, 129297, 219163, 235893, 657489, 1471523, 4414569, 10300661, 30901983]

約数ペア:

[(1, 30901983), (3, 10300661), (7, 4414569), (21, 1471523), (47, 657489), (131, 235893), (141, 219163), (239, 129297), (329, 93927), (393, 78631), (717, 43099), (917, 33699), (987, 31309), (1673, 18471), (2751, 11233), (5019, 6157)]