1990609515

素因数分解:

$3^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{77743}}^1$

素因数の和:78323

約数の個数: 24

約数和(自身を含む): 3456498240

約数和(自身を除く): 1465888725

約数列:

[1, 3, 5, 9, 15, 45, 569, 1707, 2845, 5121, 8535, 25605, 77743, 233229, 388715, 699687, 1166145, 3498435, 44235767, 132707301, 221178835, 398121903, 663536505, 1990609515]

約数ペア:

[(1, 1990609515), (3, 663536505), (5, 398121903), (9, 221178835), (15, 132707301), (45, 44235767), (569, 3498435), (1707, 1166145), (2845, 699687), (5121, 388715), (8535, 233229), (25605, 77743)]