28537131

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 45987840

約数和(自身を除く): 17450709

約数列:

[1, 3, 7, 21, 29, 47, 87, 141, 203, 329, 609, 987, 997, 1363, 2991, 4089, 6979, 9541, 20937, 28623, 28913, 46859, 86739, 140577, 202391, 328013, 607173, 984039, 1358911, 4076733, 9512377, 28537131]

約数ペア:

[(1, 28537131), (3, 9512377), (7, 4076733), (21, 1358911), (29, 984039), (47, 607173), (87, 328013), (141, 202391), (203, 140577), (329, 86739), (609, 46859), (987, 28913), (997, 28623), (1363, 20937), (2991, 9541), (4089, 6979)]