213380209

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{1229}}^1\times {\mathrm{1459}}^1$

素因数の和:2712

約数の個数: 16

約数和(自身を含む): 258595200

約数和(自身を除く): 45214991

約数列:

[1, 7, 17, 119, 1229, 1459, 8603, 10213, 20893, 24803, 146251, 173621, 1793111, 12551777, 30482887, 213380209]

約数ペア:

[(1, 213380209), (7, 30482887), (17, 12551777), (119, 1793111), (1229, 173621), (1459, 146251), (8603, 24803), (10213, 20893)]