17982741

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 28366848

約数和(自身を除く): 10384107

約数列:

[1, 3, 7, 21, 53, 107, 151, 159, 321, 371, 453, 749, 1057, 1113, 2247, 3171, 5671, 8003, 16157, 17013, 24009, 39697, 48471, 56021, 113099, 119091, 168063, 339297, 856321, 2568963, 5994247, 17982741]

約数ペア:

[(1, 17982741), (3, 5994247), (7, 2568963), (21, 856321), (53, 339297), (107, 168063), (151, 119091), (159, 113099), (321, 56021), (371, 48471), (453, 39697), (749, 24009), (1057, 17013), (1113, 16157), (2247, 8003), (3171, 5671)]