243667521

素因数分解:

$3^6\times {\mathrm{79}}^1\times {\mathrm{4231}}^1$

素因数の和:4328

約数の個数: 28

約数和(自身を含む): 370046080

約数和(自身を除く): 126378559

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 711, 729, 2133, 4231, 6399, 12693, 19197, 38079, 57591, 114237, 334249, 342711, 1002747, 1028133, 3008241, 3084399, 9024723, 27074169, 81222507, 243667521]

約数ペア:

[(1, 243667521), (3, 81222507), (9, 27074169), (27, 9024723), (79, 3084399), (81, 3008241), (237, 1028133), (243, 1002747), (711, 342711), (729, 334249), (2133, 114237), (4231, 57591), (6399, 38079), (12693, 19197)]