81399249

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1$

素因数の和:491

約数の個数: 40

約数和(自身を含む): 129111840

約数和(自身を除く): 47712591

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 227, 233, 513, 681, 699, 1539, 2043, 2097, 4313, 4427, 6129, 6291, 12939, 13281, 18387, 18873, 38817, 39843, 52891, 116451, 119529, 158673, 349353, 358587, 476019, 1004929, 1428057, 3014787, 4284171, 9044361, 27133083, 81399249]

約数ペア:

[(1, 81399249), (3, 27133083), (9, 9044361), (19, 4284171), (27, 3014787), (57, 1428057), (81, 1004929), (171, 476019), (227, 358587), (233, 349353), (513, 158673), (681, 119529), (699, 116451), (1539, 52891), (2043, 39843), (2097, 38817), (4313, 18873), (4427, 18387), (6129, 13281), (6291, 12939)]