128661321

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1663}}^1$

素因数の和:1761

約数の個数: 32

約数和(自身を含む): 191213568

約数和(自身を除く): 62552247

約数列:

[1, 3, 17, 37, 41, 51, 111, 123, 629, 697, 1517, 1663, 1887, 2091, 4551, 4989, 25789, 28271, 61531, 68183, 77367, 84813, 184593, 204549, 1046027, 1159111, 2522771, 3138081, 3477333, 7568313, 42887107, 128661321]

約数ペア:

[(1, 128661321), (3, 42887107), (17, 7568313), (37, 3477333), (41, 3138081), (51, 2522771), (111, 1159111), (123, 1046027), (629, 204549), (697, 184593), (1517, 84813), (1663, 77367), (1887, 68183), (2091, 61531), (4551, 28271), (4989, 25789)]