31349451

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 49420800

約数和(自身を除く): 18071349

約数列:

[1, 3, 7, 21, 43, 129, 149, 233, 301, 447, 699, 903, 1043, 1631, 3129, 4893, 6407, 10019, 19221, 30057, 34717, 44849, 70133, 104151, 134547, 210399, 243019, 729057, 1492831, 4478493, 10449817, 31349451]

約数ペア:

[(1, 31349451), (3, 10449817), (7, 4478493), (21, 1492831), (43, 729057), (129, 243019), (149, 210399), (233, 134547), (301, 104151), (447, 70133), (699, 44849), (903, 34717), (1043, 30057), (1631, 19221), (3129, 10019), (4893, 6407)]