217131387

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{111521}}^1$

素因数の和:111594

約数の個数: 16

約数和(自身を含む): 321183360

約数和(自身を除く): 104051973

約数列:

[1, 3, 11, 33, 59, 177, 649, 1947, 111521, 334563, 1226731, 3680193, 6579739, 19739217, 72377129, 217131387]

約数ペア:

[(1, 217131387), (3, 72377129), (11, 19739217), (33, 6579739), (59, 3680193), (177, 1226731), (649, 334563), (1947, 111521)]