249934221

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{1109}}^1$

素因数の和:1626

約数の個数: 32

約数和(自身を含む): 393206400

約数和(自身を除く): 143272179

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 491, 1109, 1473, 3327, 4419, 8347, 9981, 13257, 18853, 25041, 29943, 56559, 75123, 169677, 225369, 509031, 544519, 1633557, 4900671, 9256823, 14702013, 27770469, 83311407, 249934221]

約数ペア:

[(1, 249934221), (3, 83311407), (9, 27770469), (17, 14702013), (27, 9256823), (51, 4900671), (153, 1633557), (459, 544519), (491, 509031), (1109, 225369), (1473, 169677), (3327, 75123), (4419, 56559), (8347, 29943), (9981, 25041), (13257, 18853)]