638336163

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 886579200

約数和(自身を除く): 248243037

約数列:

[1, 3, 59, 73, 127, 177, 219, 381, 389, 1167, 4307, 7493, 9271, 12921, 22479, 22951, 27813, 28397, 49403, 68853, 85191, 148209, 546989, 1640967, 1675423, 2914777, 3606419, 5026269, 8744331, 10819257, 212778721, 638336163]

約数ペア:

[(1, 638336163), (3, 212778721), (59, 10819257), (73, 8744331), (127, 5026269), (177, 3606419), (219, 2914777), (381, 1675423), (389, 1640967), (1167, 546989), (4307, 148209), (7493, 85191), (9271, 68853), (12921, 49403), (22479, 28397), (22951, 27813)]