78991281

素因数分解:

$3^5\times {\mathrm{173}}^1\times {\mathrm{1879}}^1$

素因数の和:2067

約数の個数: 24

約数和(自身を含む): 119071680

約数和(自身を除く): 40080399

約数列:

[1, 3, 9, 27, 81, 173, 243, 519, 1557, 1879, 4671, 5637, 14013, 16911, 42039, 50733, 152199, 325067, 456597, 975201, 2925603, 8776809, 26330427, 78991281]

約数ペア:

[(1, 78991281), (3, 26330427), (9, 8776809), (27, 2925603), (81, 975201), (173, 456597), (243, 325067), (519, 152199), (1557, 50733), (1879, 42039), (4671, 16911), (5637, 14013)]