2005669989

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{853}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 3118507392

約数和(自身を除く): 1112837403

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 307, 333, 851, 853, 921, 2553, 2559, 2763, 7061, 7659, 7677, 11359, 19619, 21183, 31561, 34077, 58857, 63549, 94683, 102231, 176571, 261257, 261871, 284049, 725903, 783771, 785613, 2177709, 2351313, 2356839, 6023033, 6533127, 9689227, 18069099, 29067681, 54207297, 87203043, 222852221, 668556663, 2005669989]

約数ペア:

[(1, 2005669989), (3, 668556663), (9, 222852221), (23, 87203043), (37, 54207297), (69, 29067681), (111, 18069099), (207, 9689227), (307, 6533127), (333, 6023033), (851, 2356839), (853, 2351313), (921, 2177709), (2553, 785613), (2559, 783771), (2763, 725903), (7061, 284049), (7659, 261871), (7677, 261257), (11359, 176571), (19619, 102231), (21183, 94683), (31561, 63549), (34077, 58857)]