490665273

素因数分解:

$3^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{7817}}^1$

素因数の和:7902

約数の個数: 32

約数和(自身を含む): 775545600

約数和(自身を除く): 284880327

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 343, 427, 1029, 1281, 2989, 7817, 8967, 20923, 23451, 54719, 62769, 164157, 383033, 476837, 1149099, 1430511, 2681231, 3337859, 8043693, 10013577, 23365013, 70095039, 163555091, 490665273]

約数ペア:

[(1, 490665273), (3, 163555091), (7, 70095039), (21, 23365013), (49, 10013577), (61, 8043693), (147, 3337859), (183, 2681231), (343, 1430511), (427, 1149099), (1029, 476837), (1281, 383033), (2989, 164157), (7817, 62769), (8967, 54719), (20923, 23451)]