39485781

素因数分解:

$3^2\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 48

約数和(自身を含む): 65145600

約数和(自身を除く): 25659819

約数列:

[1, 3, 9, 17, 19, 47, 51, 57, 141, 153, 171, 289, 323, 423, 799, 867, 893, 969, 2397, 2601, 2679, 2907, 4913, 5491, 7191, 8037, 13583, 14739, 15181, 16473, 40749, 44217, 45543, 49419, 93347, 122247, 136629, 230911, 258077, 280041, 692733, 774231, 840123, 2078199, 2322693, 4387309, 13161927, 39485781]

約数ペア:

[(1, 39485781), (3, 13161927), (9, 4387309), (17, 2322693), (19, 2078199), (47, 840123), (51, 774231), (57, 692733), (141, 280041), (153, 258077), (171, 230911), (289, 136629), (323, 122247), (423, 93347), (799, 49419), (867, 45543), (893, 44217), (969, 40749), (2397, 16473), (2601, 15181), (2679, 14739), (2907, 13583), (4913, 8037), (5491, 7191)]