404348517

素因数分解:

$3^4\times {\mathrm{227}}^1\times {\mathrm{21991}}^1$

素因数の和:22230

約数の個数: 20

約数和(自身を含む): 606715296

約数和(自身を除く): 202366779

約数列:

[1, 3, 9, 27, 81, 227, 681, 2043, 6129, 18387, 21991, 65973, 197919, 593757, 1781271, 4991957, 14975871, 44927613, 134782839, 404348517]

約数ペア:

[(1, 404348517), (3, 134782839), (9, 44927613), (27, 14975871), (81, 4991957), (227, 1781271), (681, 593757), (2043, 197919), (6129, 65973), (18387, 21991)]