199983303

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 339763200

約数和(自身を除く): 139779897

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 157, 171, 191, 247, 351, 471, 513, 573, 741, 1413, 1719, 2041, 2223, 2483, 2983, 3629, 4239, 5157, 6123, 6669, 7449, 8949, 10887, 18369, 22347, 26847, 29987, 32661, 38779, 47177, 55107, 67041, 80541, 89961, 97983, 116337, 141531, 269883, 349011, 389831, 424593, 569753, 809649, 1047033, 1169493, 1273779, 1709259, 3508479, 5127777, 7406789, 10525437, 15383331, 22220367, 66661101, 199983303]

約数ペア:

[(1, 199983303), (3, 66661101), (9, 22220367), (13, 15383331), (19, 10525437), (27, 7406789), (39, 5127777), (57, 3508479), (117, 1709259), (157, 1273779), (171, 1169493), (191, 1047033), (247, 809649), (351, 569753), (471, 424593), (513, 389831), (573, 349011), (741, 269883), (1413, 141531), (1719, 116337), (2041, 97983), (2223, 89961), (2483, 80541), (2983, 67041), (3629, 55107), (4239, 47177), (5157, 38779), (6123, 32661), (6669, 29987), (7449, 26847), (8949, 22347), (10887, 18369)]