68729283

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21391}}^1$

素因数の和:21424

約数の個数: 32

約数和(自身を含む): 123217920

約数和(自身を除く): 54488637

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 21391, 64173, 149737, 192519, 363647, 449211, 577557, 1090941, 1347633, 2545529, 3272823, 4042899, 7636587, 9818469, 22909761, 68729283]

約数ペア:

[(1, 68729283), (3, 22909761), (7, 9818469), (9, 7636587), (17, 4042899), (21, 3272823), (27, 2545529), (51, 1347633), (63, 1090941), (119, 577557), (153, 449211), (189, 363647), (357, 192519), (459, 149737), (1071, 64173), (3213, 21391)]