311917581

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{1487}}^1$

素因数の和:1970

約数の個数: 32

約数和(自身を含む): 490682880

約数和(自身を除く): 178765299

約数列:

[1, 3, 9, 17, 27, 51, 153, 457, 459, 1371, 1487, 4113, 4461, 7769, 12339, 13383, 23307, 25279, 40149, 69921, 75837, 209763, 227511, 679559, 682533, 2038677, 6116031, 11552503, 18348093, 34657509, 103972527, 311917581]

約数ペア:

[(1, 311917581), (3, 103972527), (9, 34657509), (17, 18348093), (27, 11552503), (51, 6116031), (153, 2038677), (457, 682533), (459, 679559), (1371, 227511), (1487, 209763), (4113, 75837), (4461, 69921), (7769, 40149), (12339, 25279), (13383, 23307)]