287133021

素因数分解:

$3^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{16943}}^1$

素因数の和:17225

約数の個数: 24

約数和(自身を含む): 475787520

約数和(自身を除く): 188654499

約数列:

[1, 3, 7, 9, 21, 63, 269, 807, 1883, 2421, 5649, 16943, 16947, 50829, 118601, 152487, 355803, 1067409, 4557667, 13673001, 31903669, 41019003, 95711007, 287133021]

約数ペア:

[(1, 287133021), (3, 95711007), (7, 41019003), (9, 31903669), (21, 13673001), (63, 4557667), (269, 1067409), (807, 355803), (1883, 152487), (2421, 118601), (5649, 50829), (16943, 16947)]