17972157

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1453}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 29777920

約数和(自身を除く): 11805763

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1453, 1767, 4123, 4359, 10171, 12369, 27607, 30513, 45043, 82821, 135129, 193249, 315301, 579747, 855817, 945903, 2567451, 5990719, 17972157]

約数ペア:

[(1, 17972157), (3, 5990719), (7, 2567451), (19, 945903), (21, 855817), (31, 579747), (57, 315301), (93, 193249), (133, 135129), (217, 82821), (399, 45043), (589, 30513), (651, 27607), (1453, 12369), (1767, 10171), (4123, 4359)]