16801983

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 28394496

約数和(自身を除く): 11592513

約数列:

[1, 3, 9, 11, 23, 33, 47, 69, 99, 141, 157, 207, 253, 423, 471, 517, 759, 1081, 1413, 1551, 1727, 2277, 3243, 3611, 4653, 5181, 7379, 9729, 10833, 11891, 15543, 22137, 32499, 35673, 39721, 66411, 81169, 107019, 119163, 169717, 243507, 357489, 509151, 730521, 1527453, 1866887, 5600661, 16801983]

約数ペア:

[(1, 16801983), (3, 5600661), (9, 1866887), (11, 1527453), (23, 730521), (33, 509151), (47, 357489), (69, 243507), (99, 169717), (141, 119163), (157, 107019), (207, 81169), (253, 66411), (423, 39721), (471, 35673), (517, 32499), (759, 22137), (1081, 15543), (1413, 11891), (1551, 10833), (1727, 9729), (2277, 7379), (3243, 5181), (3611, 4653)]