74720667

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 116379648

約数和(自身を除く): 41658981

約数列:

[1, 3, 7, 21, 83, 163, 249, 263, 489, 581, 789, 1141, 1743, 1841, 3423, 5523, 13529, 21829, 40587, 42869, 65487, 94703, 128607, 152803, 284109, 300083, 458409, 900249, 3558127, 10674381, 24906889, 74720667]

約数ペア:

[(1, 74720667), (3, 24906889), (7, 10674381), (21, 3558127), (83, 900249), (163, 458409), (249, 300083), (263, 284109), (489, 152803), (581, 128607), (789, 94703), (1141, 65487), (1743, 42869), (1841, 40587), (3423, 21829), (5523, 13529)]