17820879

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 27060480

約数和(自身を除く): 9239601

約数列:

[1, 3, 17, 19, 51, 53, 57, 159, 323, 347, 901, 969, 1007, 1041, 2703, 3021, 5899, 6593, 17119, 17697, 18391, 19779, 51357, 55173, 112081, 312647, 336243, 349429, 937941, 1048287, 5940293, 17820879]

約数ペア:

[(1, 17820879), (3, 5940293), (17, 1048287), (19, 937941), (51, 349429), (53, 336243), (57, 312647), (159, 112081), (323, 55173), (347, 51357), (901, 19779), (969, 18391), (1007, 17697), (1041, 17119), (2703, 6593), (3021, 5899)]