215683587

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16073}}^1$

素因数の和:16160

約数の個数: 32

約数和(自身を含む): 370344960

約数和(自身を除く): 154661373

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 13419, 16073, 48219, 112511, 144657, 337533, 433971, 1012599, 1141183, 3037797, 3423549, 7988281, 10270647, 23964843, 30811941, 71894529, 215683587]

約数ペア:

[(1, 215683587), (3, 71894529), (7, 30811941), (9, 23964843), (21, 10270647), (27, 7988281), (63, 3423549), (71, 3037797), (189, 1141183), (213, 1012599), (497, 433971), (639, 337533), (1491, 144657), (1917, 112511), (4473, 48219), (13419, 16073)]