28720852011

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1\times {\mathrm{7937}}^1$

素因数の和:8380

約数の個数: 48

約数和(自身を含む): 44713547424

約数和(自身を除く): 15992695413

約数列:

[1, 3, 9, 17, 51, 67, 153, 201, 353, 603, 1059, 1139, 3177, 3417, 6001, 7937, 10251, 18003, 23651, 23811, 54009, 70953, 71433, 134929, 212859, 402067, 404787, 531779, 1206201, 1214361, 1595337, 2801761, 3618603, 4786011, 8405283, 9040243, 25215849, 27120729, 47629937, 81362187, 142889811, 187717987, 428669433, 563153961, 1689461883, 3191205779, 9573617337, 28720852011]

約数ペア:

[(1, 28720852011), (3, 9573617337), (9, 3191205779), (17, 1689461883), (51, 563153961), (67, 428669433), (153, 187717987), (201, 142889811), (353, 81362187), (603, 47629937), (1059, 27120729), (1139, 25215849), (3177, 9040243), (3417, 8405283), (6001, 4786011), (7937, 3618603), (10251, 2801761), (18003, 1595337), (23651, 1214361), (23811, 1206201), (54009, 531779), (70953, 404787), (71433, 402067), (134929, 212859)]