291219159

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{8461}}^1$

素因数の和:8631

約数の個数: 32

約数和(自身を含む): 487411200

約数和(自身を除く): 196192041

約数列:

[1, 3, 7, 11, 21, 33, 77, 149, 231, 447, 1043, 1639, 3129, 4917, 8461, 11473, 25383, 34419, 59227, 93071, 177681, 279213, 651497, 1260689, 1954491, 3782067, 8824823, 13867579, 26474469, 41602737, 97073053, 291219159]

約数ペア:

[(1, 291219159), (3, 97073053), (7, 41602737), (11, 26474469), (21, 13867579), (33, 8824823), (77, 3782067), (149, 1954491), (231, 1260689), (447, 651497), (1043, 279213), (1639, 177681), (3129, 93071), (4917, 59227), (8461, 34419), (11473, 25383)]