99900009

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 162175104

約数和(自身を除く): 62275095

約数列:

[1, 3, 9, 11, 33, 97, 99, 101, 103, 291, 303, 309, 873, 909, 927, 1067, 1111, 1133, 3201, 3333, 3399, 9603, 9797, 9991, 9999, 10197, 10403, 29391, 29973, 31209, 88173, 89919, 93627, 107767, 109901, 114433, 323301, 329703, 343299, 969903, 989109, 1009091, 1029897, 3027273, 9081819, 11100001, 33300003, 99900009]

約数ペア:

[(1, 99900009), (3, 33300003), (9, 11100001), (11, 9081819), (33, 3027273), (97, 1029897), (99, 1009091), (101, 989109), (103, 969903), (291, 343299), (303, 329703), (309, 323301), (873, 114433), (909, 109901), (927, 107767), (1067, 93627), (1111, 89919), (1133, 88173), (3201, 31209), (3333, 29973), (3399, 29391), (9603, 10403), (9797, 10197), (9991, 9999)]