15697291239

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{389927}}^1$

素因数の和:390017

約数の個数: 40

約数和(自身を含む): 27176421888

約数和(自身を除く): 11479130649

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 497, 567, 639, 1491, 1917, 4473, 5751, 13419, 40257, 389927, 1169781, 2729489, 3509343, 8188467, 10528029, 24565401, 27684817, 31584087, 73696203, 83054451, 193793719, 221088609, 249163353, 581381157, 747490059, 1744143471, 2242470177, 5232430413, 15697291239]

約数ペア:

[(1, 15697291239), (3, 5232430413), (7, 2242470177), (9, 1744143471), (21, 747490059), (27, 581381157), (63, 249163353), (71, 221088609), (81, 193793719), (189, 83054451), (213, 73696203), (497, 31584087), (567, 27684817), (639, 24565401), (1491, 10528029), (1917, 8188467), (4473, 3509343), (5751, 2729489), (13419, 1169781), (40257, 389927)]