1980993

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 3317760

約数和(自身を除く): 1336767

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 179, 217, 357, 527, 537, 651, 1253, 1581, 3043, 3689, 3759, 5549, 9129, 11067, 16647, 21301, 38843, 63903, 94333, 116529, 282999, 660331, 1980993]

約数ペア:

[(1, 1980993), (3, 660331), (7, 282999), (17, 116529), (21, 94333), (31, 63903), (51, 38843), (93, 21301), (119, 16647), (179, 11067), (217, 9129), (357, 5549), (527, 3759), (537, 3689), (651, 3043), (1253, 1581)]