1821490872789

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{163409}}^1\times {\mathrm{6719}}^1$

素因数の和:170217

約数の個数: 32

約数和(自身を含む): 2811174912000

約数和(自身を除く): 989684039211

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 6719, 20157, 47033, 141099, 163409, 490227, 530801, 1143863, 1592403, 3431589, 3715607, 11146821, 12909311, 38727933, 90365177, 271095531, 1097945071, 3293835213, 7685615497, 23056846491, 86737660609, 260212981827, 607163624263, 1821490872789]

約数ペア:

[(1, 1821490872789), (3, 607163624263), (7, 260212981827), (21, 86737660609), (79, 23056846491), (237, 7685615497), (553, 3293835213), (1659, 1097945071), (6719, 271095531), (20157, 90365177), (47033, 38727933), (141099, 12909311), (163409, 11146821), (490227, 3715607), (530801, 3431589), (1143863, 1592403)]