4256973

素因数分解:

$3^2\times 7^4\times {\mathrm{197}}^1$

素因数の和:231

約数の個数: 30

約数和(自身を含む): 7209774

約数和(自身を除く): 2952801

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 197, 343, 441, 591, 1029, 1379, 1773, 2401, 3087, 4137, 7203, 9653, 12411, 21609, 28959, 67571, 86877, 202713, 472997, 608139, 1418991, 4256973]

約数ペア:

[(1, 4256973), (3, 1418991), (7, 608139), (9, 472997), (21, 202713), (49, 86877), (63, 67571), (147, 28959), (197, 21609), (343, 12411), (441, 9653), (591, 7203), (1029, 4137), (1379, 3087), (1773, 2401)]