206489715

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1\times {\mathrm{991}}^1$

素因数の和:1507

約数の個数: 32

約数和(自身を含む): 342835200

約数和(自身を除く): 136345485

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 479, 991, 1437, 2395, 2973, 4955, 7185, 13891, 14865, 28739, 41673, 69455, 86217, 143695, 208365, 431085, 474689, 1424067, 2373445, 7120335, 13765981, 41297943, 68829905, 206489715]

約数ペア:

[(1, 206489715), (3, 68829905), (5, 41297943), (15, 13765981), (29, 7120335), (87, 2373445), (145, 1424067), (435, 474689), (479, 431085), (991, 208365), (1437, 143695), (2395, 86217), (2973, 69455), (4955, 41673), (7185, 28739), (13891, 14865)]