247974993

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{10331}}^1$

素因数の和:10474

約数の個数: 32

約数和(自身を含む): 423198720

約数和(自身を除く): 175223727

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 889, 1143, 2667, 3429, 8001, 10331, 24003, 30993, 72317, 92979, 216951, 278937, 650853, 1312037, 1952559, 3936111, 9184259, 11808333, 27552777, 35424999, 82658331, 247974993]

約数ペア:

[(1, 247974993), (3, 82658331), (7, 35424999), (9, 27552777), (21, 11808333), (27, 9184259), (63, 3936111), (127, 1952559), (189, 1312037), (381, 650853), (889, 278937), (1143, 216951), (2667, 92979), (3429, 72317), (8001, 30993), (10331, 24003)]