378331317

素因数分解:

$3^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1901}}^1$

素因数の和:1942

約数の個数: 64

約数和(自身を含む): 698718720

約数和(自身を除く): 320387403

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 567, 729, 819, 1053, 1701, 1901, 2187, 2457, 3159, 5103, 5703, 7371, 9477, 13307, 15309, 17109, 22113, 24713, 28431, 39921, 51327, 66339, 74139, 119763, 153981, 172991, 199017, 222417, 359289, 461943, 518973, 667251, 1077867, 1385829, 1556919, 2001753, 3233601, 4157487, 4670757, 6005259, 9700803, 14012271, 18015777, 29102409, 42036813, 54047331, 126110439, 378331317]

約数ペア:

[(1, 378331317), (3, 126110439), (7, 54047331), (9, 42036813), (13, 29102409), (21, 18015777), (27, 14012271), (39, 9700803), (63, 6005259), (81, 4670757), (91, 4157487), (117, 3233601), (189, 2001753), (243, 1556919), (273, 1385829), (351, 1077867), (567, 667251), (729, 518973), (819, 461943), (1053, 359289), (1701, 222417), (1901, 199017), (2187, 172991), (2457, 153981), (3159, 119763), (5103, 74139), (5703, 66339), (7371, 51327), (9477, 39921), (13307, 28431), (15309, 24713), (17109, 22113)]