68374395

素因数分解:

$3^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{887}}^1$

素因数の和:1472

約数の個数: 32

約数和(自身を含む): 121904640

約数和(自身を除く): 53530245

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 571, 887, 1713, 2661, 2855, 4435, 5139, 7983, 8565, 13305, 15417, 23949, 25695, 39915, 77085, 119745, 506477, 1519431, 2532385, 4558293, 7597155, 13674879, 22791465, 68374395]

約数ペア:

[(1, 68374395), (3, 22791465), (5, 13674879), (9, 7597155), (15, 4558293), (27, 2532385), (45, 1519431), (135, 506477), (571, 119745), (887, 77085), (1713, 39915), (2661, 25695), (2855, 23949), (4435, 15417), (5139, 13305), (7983, 8565)]