210975501

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{947}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 316343808

約数和(自身を除く): 105368307

約数列:

[1, 3, 11, 33, 43, 129, 157, 471, 473, 947, 1419, 1727, 2841, 5181, 6751, 10417, 20253, 31251, 40721, 74261, 122163, 148679, 222783, 446037, 447931, 1343793, 1635469, 4906407, 6393197, 19179591, 70325167, 210975501]

約数ペア:

[(1, 210975501), (3, 70325167), (11, 19179591), (33, 6393197), (43, 4906407), (129, 1635469), (157, 1343793), (471, 447931), (473, 446037), (947, 222783), (1419, 148679), (1727, 122163), (2841, 74261), (5181, 40721), (6751, 31251), (10417, 20253)]