39983769

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 69488640

約数和(自身を除く): 29504871

約数列:

[1, 3, 7, 9, 21, 31, 59, 63, 93, 177, 217, 279, 347, 413, 531, 651, 1041, 1239, 1829, 1953, 2429, 3123, 3717, 5487, 7287, 10757, 12803, 16461, 20473, 21861, 32271, 38409, 61419, 75299, 96813, 115227, 143311, 184257, 225897, 429933, 634663, 677691, 1289799, 1903989, 4442641, 5711967, 13327923, 39983769]

約数ペア:

[(1, 39983769), (3, 13327923), (7, 5711967), (9, 4442641), (21, 1903989), (31, 1289799), (59, 677691), (63, 634663), (93, 429933), (177, 225897), (217, 184257), (279, 143311), (347, 115227), (413, 96813), (531, 75299), (651, 61419), (1041, 38409), (1239, 32271), (1829, 21861), (1953, 20473), (2429, 16461), (3123, 12803), (3717, 10757), (5487, 7287)]