239309007

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{6553}}^1$

素因数の和:6647

約数の個数: 32

約数和(自身を含む): 382543872

約数和(自身を除く): 143234865

約数列:

[1, 3, 7, 21, 37, 47, 111, 141, 259, 329, 777, 987, 1739, 5217, 6553, 12173, 19659, 36519, 45871, 137613, 242461, 307991, 727383, 923973, 1697227, 2155937, 5091681, 6467811, 11395667, 34187001, 79769669, 239309007]

約数ペア:

[(1, 239309007), (3, 79769669), (7, 34187001), (21, 11395667), (37, 6467811), (47, 5091681), (111, 2155937), (141, 1697227), (259, 923973), (329, 727383), (777, 307991), (987, 242461), (1739, 137613), (5217, 45871), (6553, 36519), (12173, 19659)]