18169701

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 28366848

約数和(自身を除く): 10197147

約数列:

[1, 3, 11, 23, 33, 37, 69, 111, 253, 407, 647, 759, 851, 1221, 1941, 2553, 7117, 9361, 14881, 21351, 23939, 28083, 44643, 71817, 163691, 263329, 491073, 550597, 789987, 1651791, 6056567, 18169701]

約数ペア:

[(1, 18169701), (3, 6056567), (11, 1651791), (23, 789987), (33, 550597), (37, 491073), (69, 263329), (111, 163691), (253, 71817), (407, 44643), (647, 28083), (759, 23939), (851, 21351), (1221, 14881), (1941, 9361), (2553, 7117)]