13347639

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 21012480

約数和(自身を除く): 7664841

約数列:

[1, 3, 9, 27, 31, 37, 93, 111, 279, 333, 431, 837, 999, 1147, 1293, 3441, 3879, 10323, 11637, 13361, 15947, 30969, 40083, 47841, 120249, 143523, 360747, 430569, 494357, 1483071, 4449213, 13347639]

約数ペア:

[(1, 13347639), (3, 4449213), (9, 1483071), (27, 494357), (31, 430569), (37, 360747), (93, 143523), (111, 120249), (279, 47841), (333, 40083), (431, 30969), (837, 15947), (999, 13361), (1147, 11637), (1293, 10323), (3441, 3879)]