260193771

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 415584000

約数和(自身を除く): 155390229

約数列:

[1, 3, 9, 19, 29, 57, 71, 87, 171, 213, 261, 551, 639, 739, 1349, 1653, 2059, 2217, 4047, 4959, 6177, 6651, 12141, 14041, 18531, 21431, 39121, 42123, 52469, 64293, 117363, 126369, 157407, 192879, 352089, 407189, 472221, 996911, 1221567, 1521601, 2990733, 3664701, 4564803, 8972199, 13694409, 28910419, 86731257, 260193771]

約数ペア:

[(1, 260193771), (3, 86731257), (9, 28910419), (19, 13694409), (29, 8972199), (57, 4564803), (71, 3664701), (87, 2990733), (171, 1521601), (213, 1221567), (261, 996911), (551, 472221), (639, 407189), (739, 352089), (1349, 192879), (1653, 157407), (2059, 126369), (2217, 117363), (4047, 64293), (4959, 52469), (6177, 42123), (6651, 39121), (12141, 21431), (14041, 18531)]