42219891

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 74880000

約数和(自身を除く): 32660109

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 79, 119, 153, 237, 357, 499, 553, 711, 1071, 1343, 1497, 1659, 3493, 4029, 4491, 4977, 8483, 9401, 10479, 12087, 25449, 28203, 31437, 39421, 59381, 76347, 84609, 118263, 178143, 275947, 354789, 534429, 670157, 827841, 2010471, 2483523, 4691099, 6031413, 14073297, 42219891]

約数ペア:

[(1, 42219891), (3, 14073297), (7, 6031413), (9, 4691099), (17, 2483523), (21, 2010471), (51, 827841), (63, 670157), (79, 534429), (119, 354789), (153, 275947), (237, 178143), (357, 118263), (499, 84609), (553, 76347), (711, 59381), (1071, 39421), (1343, 31437), (1497, 28203), (1659, 25449), (3493, 12087), (4029, 10479), (4491, 9401), (4977, 8483)]