990129435

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{25127}}^1$

素因数の和:25243

約数の個数: 32

約数和(自身を含む): 1650004992

約数和(自身を除く): 659875557

約数列:

[1, 3, 5, 15, 37, 71, 111, 185, 213, 355, 555, 1065, 2627, 7881, 13135, 25127, 39405, 75381, 125635, 376905, 929699, 1784017, 2789097, 4648495, 5352051, 8920085, 13945485, 26760255, 66008629, 198025887, 330043145, 990129435]

約数ペア:

[(1, 990129435), (3, 330043145), (5, 198025887), (15, 66008629), (37, 26760255), (71, 13945485), (111, 8920085), (185, 5352051), (213, 4648495), (355, 2789097), (555, 1784017), (1065, 929699), (2627, 376905), (7881, 125635), (13135, 75381), (25127, 39405)]