209156713929

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{20023}}^1$

素因数の和:20502

約数の個数: 48

約数和(自身を含む): 313748847360

約数和(自身を除く): 104592133431

約数列:

[1, 3, 9, 53, 61, 159, 183, 359, 477, 549, 1077, 3231, 3233, 9699, 19027, 20023, 21899, 29097, 57081, 60069, 65697, 171243, 180207, 197091, 1061219, 1160647, 1221403, 3183657, 3481941, 3664209, 7188257, 9550971, 10445823, 10992627, 21564771, 64694313, 64734359, 194203077, 380977621, 438483677, 582609231, 1142932863, 1315451031, 3428798589, 3946353093, 23239634881, 69718904643, 209156713929]

約数ペア:

[(1, 209156713929), (3, 69718904643), (9, 23239634881), (53, 3946353093), (61, 3428798589), (159, 1315451031), (183, 1142932863), (359, 582609231), (477, 438483677), (549, 380977621), (1077, 194203077), (3231, 64734359), (3233, 64694313), (9699, 21564771), (19027, 10992627), (20023, 10445823), (21899, 9550971), (29097, 7188257), (57081, 3664209), (60069, 3481941), (65697, 3183657), (171243, 1221403), (180207, 1160647), (197091, 1061219)]