138749499

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^2\times {\mathrm{997}}^1$

素因数の和:1104

約数の個数: 36

約数和(自身を含む): 234258544

約数和(自身を除く): 95509045

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 997, 2209, 2961, 2991, 6627, 6979, 8973, 15463, 19881, 20937, 46389, 46859, 62811, 139167, 140577, 328013, 421731, 984039, 2202373, 2952117, 6607119, 15416611, 19821357, 46249833, 138749499]

約数ペア:

[(1, 138749499), (3, 46249833), (7, 19821357), (9, 15416611), (21, 6607119), (47, 2952117), (63, 2202373), (141, 984039), (329, 421731), (423, 328013), (987, 140577), (997, 139167), (2209, 62811), (2961, 46859), (2991, 46389), (6627, 20937), (6979, 19881), (8973, 15463)]