266137221

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1\times {\mathrm{491}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 414885888

約数和(自身を除く): 148748667

約数列:

[1, 3, 7, 21, 53, 159, 371, 487, 491, 1113, 1461, 1473, 3409, 3437, 10227, 10311, 25811, 26023, 77433, 78069, 180677, 182161, 239117, 542031, 546483, 717351, 1673819, 5021457, 12673201, 38019603, 88712407, 266137221]

約数ペア:

[(1, 266137221), (3, 88712407), (7, 38019603), (21, 12673201), (53, 5021457), (159, 1673819), (371, 717351), (487, 546483), (491, 542031), (1113, 239117), (1461, 182161), (1473, 180677), (3409, 78069), (3437, 77433), (10227, 26023), (10311, 25811)]