72722727

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1039}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 132387840

約数和(自身を除く): 59665113

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 101, 231, 303, 693, 707, 909, 1039, 1111, 2121, 3117, 3333, 6363, 7273, 7777, 9351, 9999, 11429, 21819, 23331, 34287, 65457, 69993, 80003, 102861, 104939, 240009, 314817, 720027, 734573, 944451, 1154329, 2203719, 3462987, 6611157, 8080303, 10388961, 24240909, 72722727]

約数ペア:

[(1, 72722727), (3, 24240909), (7, 10388961), (9, 8080303), (11, 6611157), (21, 3462987), (33, 2203719), (63, 1154329), (77, 944451), (99, 734573), (101, 720027), (231, 314817), (303, 240009), (693, 104939), (707, 102861), (909, 80003), (1039, 69993), (1111, 65457), (2121, 34287), (3117, 23331), (3333, 21819), (6363, 11429), (7273, 9999), (7777, 9351)]