77885931249

素因数分解:

$3^2\times 7^2\times {\mathrm{9907}}^1\times {\mathrm{17827}}^1$

素因数の和:27754

約数の個数: 36

約数和(自身を含む): 130890109584

約数和(自身を除く): 53004178335

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 9907, 17827, 29721, 53481, 69349, 89163, 124789, 160443, 208047, 374367, 485443, 624141, 873523, 1123101, 1456329, 2620569, 4368987, 7861707, 176612089, 529836267, 1236284623, 1589508801, 3708853869, 8653992361, 11126561607, 25961977083, 77885931249]

約数ペア:

[(1, 77885931249), (3, 25961977083), (7, 11126561607), (9, 8653992361), (21, 3708853869), (49, 1589508801), (63, 1236284623), (147, 529836267), (441, 176612089), (9907, 7861707), (17827, 4368987), (29721, 2620569), (53481, 1456329), (69349, 1123101), (89163, 873523), (124789, 624141), (160443, 485443), (208047, 374367)]