312235791

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 496266624

約数和(自身を除く): 184030833

約数列:

[1, 3, 7, 21, 49, 83, 147, 157, 163, 249, 471, 489, 581, 1099, 1141, 1743, 3297, 3423, 4067, 7693, 7987, 12201, 13031, 13529, 23079, 23961, 25591, 39093, 40587, 76773, 91217, 94703, 179137, 273651, 284109, 537411, 638519, 662921, 1253959, 1915557, 1988763, 2124053, 3761877, 6372159, 14868371, 44605113, 104078597, 312235791]

約数ペア:

[(1, 312235791), (3, 104078597), (7, 44605113), (21, 14868371), (49, 6372159), (83, 3761877), (147, 2124053), (157, 1988763), (163, 1915557), (249, 1253959), (471, 662921), (489, 638519), (581, 537411), (1099, 284109), (1141, 273651), (1743, 179137), (3297, 94703), (3423, 91217), (4067, 76773), (7693, 40587), (7987, 39093), (12201, 25591), (13031, 23961), (13529, 23079)]