28970001

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 45089280

約数和(自身を除く): 16119279

約数列:

[1, 3, 9, 27, 37, 47, 111, 141, 333, 423, 617, 999, 1269, 1739, 1851, 5217, 5553, 15651, 16659, 22829, 28999, 46953, 68487, 86997, 205461, 260991, 616383, 782973, 1072963, 3218889, 9656667, 28970001]

約数ペア:

[(1, 28970001), (3, 9656667), (9, 3218889), (27, 1072963), (37, 782973), (47, 616383), (111, 260991), (141, 205461), (333, 86997), (423, 68487), (617, 46953), (999, 28999), (1269, 22829), (1739, 16659), (1851, 15651), (5217, 5553)]