311291211

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1\times {\mathrm{1423}}^1$

素因数の和:2391

約数の個数: 32

約数和(自身を含む): 518381568

約数和(自身を除く): 207090357

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 947, 1423, 2841, 4269, 6629, 9961, 10417, 15653, 19887, 29883, 31251, 46959, 72919, 109571, 218757, 328713, 1347581, 4042743, 9433067, 14823391, 28299201, 44470173, 103763737, 311291211]

約数ペア:

[(1, 311291211), (3, 103763737), (7, 44470173), (11, 28299201), (21, 14823391), (33, 9433067), (77, 4042743), (231, 1347581), (947, 328713), (1423, 218757), (2841, 109571), (4269, 72919), (6629, 46959), (9961, 31251), (10417, 29883), (15653, 19887)]