66671829

素因数分解:

$3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1993}}^1$

素因数の和:2071

約数の個数: 40

約数和(自身を含む): 115811520

約数和(自身を除く): 49139691

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 413, 531, 567, 1239, 1593, 1993, 3717, 4779, 5979, 11151, 13951, 17937, 33453, 41853, 53811, 117587, 125559, 161433, 352761, 376677, 823109, 1058283, 1130031, 2469327, 3174849, 7407981, 9524547, 22223943, 66671829]

約数ペア:

[(1, 66671829), (3, 22223943), (7, 9524547), (9, 7407981), (21, 3174849), (27, 2469327), (59, 1130031), (63, 1058283), (81, 823109), (177, 376677), (189, 352761), (413, 161433), (531, 125559), (567, 117587), (1239, 53811), (1593, 41853), (1993, 33453), (3717, 17937), (4779, 13951), (5979, 11151)]