78883497

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2043

約数の個数: 64

約数和(自身を含む): 153446400

約数和(自身を除く): 74562903

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 57, 63, 77, 99, 133, 171, 189, 209, 231, 297, 399, 513, 627, 693, 1197, 1463, 1881, 1997, 2079, 3591, 4389, 5643, 5991, 13167, 13979, 17973, 21967, 37943, 39501, 41937, 53919, 65901, 113829, 125811, 153769, 197703, 265601, 341487, 377433, 417373, 461307, 593109, 796803, 1024461, 1252119, 1383921, 2390409, 2921611, 3756357, 4151763, 7171227, 8764833, 11269071, 26294499, 78883497]

約数ペア:

[(1, 78883497), (3, 26294499), (7, 11269071), (9, 8764833), (11, 7171227), (19, 4151763), (21, 3756357), (27, 2921611), (33, 2390409), (57, 1383921), (63, 1252119), (77, 1024461), (99, 796803), (133, 593109), (171, 461307), (189, 417373), (209, 377433), (231, 341487), (297, 265601), (399, 197703), (513, 153769), (627, 125811), (693, 113829), (1197, 65901), (1463, 53919), (1881, 41937), (1997, 39501), (2079, 37943), (3591, 21967), (4389, 17973), (5643, 13979), (5991, 13167)]