194481

素因数分解:

$3^4\times 7^4$

素因数の和:40

約数の個数: 25

約数和(自身を含む): 338921

約数和(自身を除く): 144440

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 567, 1029, 1323, 2401, 3087, 3969, 7203, 9261, 21609, 27783, 64827, 194481]

約数ペア:

[(1, 194481), (3, 64827), (7, 27783), (9, 21609), (21, 9261), (27, 7203), (49, 3969), (63, 3087), (81, 2401), (147, 1323), (189, 1029), (343, 567)]