81386949

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{1009}}^1$

素因数の和:1209

約数の個数: 32

約数和(自身を含む): 130314240

約数和(自身を除く): 48927291

約数列:

[1, 3, 7, 21, 23, 69, 161, 167, 483, 501, 1009, 1169, 3027, 3507, 3841, 7063, 11523, 21189, 23207, 26887, 69621, 80661, 162449, 168503, 487347, 505509, 1179521, 3538563, 3875569, 11626707, 27128983, 81386949]

約数ペア:

[(1, 81386949), (3, 27128983), (7, 11626707), (21, 3875569), (23, 3538563), (69, 1179521), (161, 505509), (167, 487347), (483, 168503), (501, 162449), (1009, 80661), (1169, 69621), (3027, 26887), (3507, 23207), (3841, 21189), (7063, 11523)]