390856779

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{1783}}^1$

素因数の和:2168

約数の個数: 32

約数和(自身を含む): 606274560

約数和(自身を除く): 215417781

約数列:

[1, 3, 9, 23, 27, 69, 207, 353, 621, 1059, 1783, 3177, 5349, 8119, 9531, 16047, 24357, 41009, 48141, 73071, 123027, 219213, 369081, 629399, 1107243, 1888197, 5664591, 14476177, 16993773, 43428531, 130285593, 390856779]

約数ペア:

[(1, 390856779), (3, 130285593), (9, 43428531), (23, 16993773), (27, 14476177), (69, 5664591), (207, 1888197), (353, 1107243), (621, 629399), (1059, 369081), (1783, 219213), (3177, 123027), (5349, 73071), (8119, 48141), (9531, 41009), (16047, 24357)]