263293347

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 368395776

約数和(自身を除く): 105102429

約数列:

[1, 3, 53, 71, 83, 159, 213, 249, 281, 843, 3763, 4399, 5893, 11289, 13197, 14893, 17679, 19951, 23323, 44679, 59853, 69969, 312329, 936987, 1057403, 1236119, 1655933, 3172209, 3708357, 4967799, 87764449, 263293347]

約数ペア:

[(1, 263293347), (3, 87764449), (53, 4967799), (71, 3708357), (83, 3172209), (159, 1655933), (213, 1236119), (249, 1057403), (281, 936987), (843, 312329), (3763, 69969), (4399, 59853), (5893, 44679), (11289, 23323), (13197, 19951), (14893, 17679)]