668601927

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{2939}}^1$

素因数の和:3132

約数の個数: 48

約数和(自身を含む): 1159441920

約数和(自身を除く): 490839993

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 157, 161, 207, 471, 483, 1099, 1413, 1449, 2939, 3297, 3611, 8817, 9891, 10833, 20573, 25277, 26451, 32499, 61719, 67597, 75831, 185157, 202791, 227493, 461423, 473179, 608373, 1384269, 1419537, 3229961, 4152807, 4258611, 9689883, 10612729, 29069649, 31838187, 74289103, 95514561, 222867309, 668601927]

約数ペア:

[(1, 668601927), (3, 222867309), (7, 95514561), (9, 74289103), (21, 31838187), (23, 29069649), (63, 10612729), (69, 9689883), (157, 4258611), (161, 4152807), (207, 3229961), (471, 1419537), (483, 1384269), (1099, 608373), (1413, 473179), (1449, 461423), (2939, 227493), (3297, 202791), (3611, 185157), (8817, 75831), (9891, 67597), (10833, 61719), (20573, 32499), (25277, 26451)]