858609639

素因数分解:

$3^7\times {\mathrm{19}}^1\times {\mathrm{20663}}^1$

素因数の和:20703

約数の個数: 32

約数和(自身を含む): 1355558400

約数和(自身を除く): 496948761

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 2187, 4617, 13851, 20663, 41553, 61989, 185967, 392597, 557901, 1177791, 1673703, 3533373, 5021109, 10600119, 15063327, 31800357, 45189981, 95401071, 286203213, 858609639]

約数ペア:

[(1, 858609639), (3, 286203213), (9, 95401071), (19, 45189981), (27, 31800357), (57, 15063327), (81, 10600119), (171, 5021109), (243, 3533373), (513, 1673703), (729, 1177791), (1539, 557901), (2187, 392597), (4617, 185967), (13851, 61989), (20663, 41553)]