209127897

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{907}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 351853632

約数和(自身を除く): 142725735

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 137, 153, 187, 411, 561, 907, 1233, 1507, 1683, 2329, 2721, 4521, 6987, 8163, 9977, 13563, 15419, 20961, 25619, 29931, 46257, 76857, 89793, 124259, 138771, 169609, 230571, 372777, 508827, 1118331, 1366849, 1526481, 2112403, 4100547, 6337209, 12301641, 19011627, 23236433, 69709299, 209127897]

約数ペア:

[(1, 209127897), (3, 69709299), (9, 23236433), (11, 19011627), (17, 12301641), (33, 6337209), (51, 4100547), (99, 2112403), (137, 1526481), (153, 1366849), (187, 1118331), (411, 508827), (561, 372777), (907, 230571), (1233, 169609), (1507, 138771), (1683, 124259), (2329, 89793), (2721, 76857), (4521, 46257), (6987, 29931), (8163, 25619), (9977, 20961), (13563, 15419)]