212807091

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{683}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 334361088

約数和(自身を除く): 121553997

約数列:

[1, 3, 7, 21, 37, 111, 259, 401, 683, 777, 1203, 2049, 2807, 4781, 8421, 14343, 14837, 25271, 44511, 75813, 103859, 176897, 273883, 311577, 530691, 821649, 1917181, 5751543, 10133671, 30401013, 70935697, 212807091]

約数ペア:

[(1, 212807091), (3, 70935697), (7, 30401013), (21, 10133671), (37, 5751543), (111, 1917181), (259, 821649), (401, 530691), (683, 311577), (777, 273883), (1203, 176897), (2049, 103859), (2807, 75813), (4781, 44511), (8421, 25271), (14343, 14837)]