30990589

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 37818360

約数和(自身を除く): 6827771

約数列:

[1, 7, 29, 49, 113, 193, 203, 791, 1351, 1421, 3277, 5537, 5597, 9457, 21809, 22939, 39179, 152663, 160573, 274253, 632461, 1068641, 4427227, 30990589]

約数ペア:

[(1, 30990589), (7, 4427227), (29, 1068641), (49, 632461), (113, 274253), (193, 160573), (203, 152663), (791, 39179), (1351, 22939), (1421, 21809), (3277, 9457), (5537, 5597)]