389743209

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{11399}}^1$

素因数の和:11565

約数の個数: 24

約数和(自身を含む): 586872000

約数和(自身を除く): 197128791

約数列:

[1, 3, 9, 29, 87, 131, 261, 393, 1179, 3799, 11397, 11399, 34191, 34197, 102591, 330571, 991713, 1493269, 2975139, 4479807, 13439421, 43304801, 129914403, 389743209]

約数ペア:

[(1, 389743209), (3, 129914403), (9, 43304801), (29, 13439421), (87, 4479807), (131, 2975139), (261, 1493269), (393, 991713), (1179, 330571), (3799, 102591), (11397, 34197), (11399, 34191)]