31986171

素因数分解:

$3^4\times 7^2\times {\mathrm{8059}}^1$

素因数の和:8085

約数の個数: 30

約数和(自身を含む): 55589820

約数和(自身を除く): 23603649

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 8059, 24177, 56413, 72531, 169239, 217593, 394891, 507717, 652779, 1184673, 1523151, 3554019, 4569453, 10662057, 31986171]

約数ペア:

[(1, 31986171), (3, 10662057), (7, 4569453), (9, 3554019), (21, 1523151), (27, 1184673), (49, 652779), (63, 507717), (81, 394891), (147, 217593), (189, 169239), (441, 72531), (567, 56413), (1323, 24177), (3969, 8059)]