71648469

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{5113}}^1$

素因数の和:5298

約数の個数: 20

約数和(自身を含む): 107670156

約数和(自身を除く): 36021687

約数列:

[1, 3, 9, 27, 81, 173, 519, 1557, 4671, 5113, 14013, 15339, 46017, 138051, 414153, 884549, 2653647, 7960941, 23882823, 71648469]

約数ペア:

[(1, 71648469), (3, 23882823), (9, 7960941), (27, 2653647), (81, 884549), (173, 414153), (519, 138051), (1557, 46017), (4671, 15339), (5113, 14013)]