331357143

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{601}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 485992192

約数和(自身を除く): 154635049

約数列:

[1, 3, 13, 39, 67, 201, 211, 601, 633, 871, 1803, 2613, 2743, 7813, 8229, 14137, 23439, 40267, 42411, 120801, 126811, 183781, 380433, 523471, 551343, 1570413, 1648543, 4945629, 8496337, 25489011, 110452381, 331357143]

約数ペア:

[(1, 331357143), (3, 110452381), (13, 25489011), (39, 8496337), (67, 4945629), (201, 1648543), (211, 1570413), (601, 551343), (633, 523471), (871, 380433), (1803, 183781), (2613, 126811), (2743, 120801), (7813, 42411), (8229, 40267), (14137, 23439)]