28481103

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 52818480

約数和(自身を除く): 24337377

約数列:

[1, 3, 7, 9, 17, 21, 29, 49, 51, 63, 87, 119, 131, 147, 153, 203, 261, 357, 393, 441, 493, 609, 833, 917, 1071, 1179, 1421, 1479, 1827, 2227, 2499, 2751, 3451, 3799, 4263, 4437, 6419, 6681, 7497, 8253, 10353, 11397, 12789, 15589, 19257, 20043, 24157, 26593, 31059, 34191, 46767, 57771, 64583, 72471, 79779, 109123, 140301, 186151, 193749, 217413, 239337, 327369, 452081, 558453, 581247, 982107, 1356243, 1675359, 3164567, 4068729, 9493701, 28481103]

約数ペア:

[(1, 28481103), (3, 9493701), (7, 4068729), (9, 3164567), (17, 1675359), (21, 1356243), (29, 982107), (49, 581247), (51, 558453), (63, 452081), (87, 327369), (119, 239337), (131, 217413), (147, 193749), (153, 186151), (203, 140301), (261, 109123), (357, 79779), (393, 72471), (441, 64583), (493, 57771), (609, 46767), (833, 34191), (917, 31059), (1071, 26593), (1179, 24157), (1421, 20043), (1479, 19257), (1827, 15589), (2227, 12789), (2499, 11397), (2751, 10353), (3451, 8253), (3799, 7497), (4263, 6681), (4437, 6419)]