31220451

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{26891}}^1$

素因数の和:26943

約数の個数: 16

約数和(自身を含む): 47329920

約数和(自身を除く): 16109469

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 26891, 80673, 242019, 726057, 1156313, 3468939, 10406817, 31220451]

約数ペア:

[(1, 31220451), (3, 10406817), (9, 3468939), (27, 1156313), (43, 726057), (129, 242019), (387, 80673), (1161, 26891)]