678242019

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{16453}}^1$

素因数の和:16627

約数の個数: 32

約数和(自身を含む): 1120451584

約数和(自身を除く): 442209565

約数列:

[1, 3, 7, 13, 21, 39, 91, 151, 273, 453, 1057, 1963, 3171, 5889, 13741, 16453, 41223, 49359, 115171, 213889, 345513, 641667, 1497223, 2484403, 4491669, 7453209, 17390821, 32297239, 52172463, 96891717, 226080673, 678242019]

約数ペア:

[(1, 678242019), (3, 226080673), (7, 96891717), (13, 52172463), (21, 32297239), (39, 17390821), (91, 7453209), (151, 4491669), (273, 2484403), (453, 1497223), (1057, 641667), (1963, 345513), (3171, 213889), (5889, 115171), (13741, 49359), (16453, 41223)]