223432005

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{1319}}^1$

素因数の和:1841

約数の個数: 32

約数和(自身を含む): 374077440

約数和(自身を除く): 150645435

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 491, 1319, 1473, 2455, 3957, 6595, 7365, 11293, 19785, 30337, 33879, 56465, 91011, 151685, 169395, 455055, 647629, 1942887, 3238145, 9714435, 14895467, 44686401, 74477335, 223432005]

約数ペア:

[(1, 223432005), (3, 74477335), (5, 44686401), (15, 14895467), (23, 9714435), (69, 3238145), (115, 1942887), (345, 647629), (491, 455055), (1319, 169395), (1473, 151685), (2455, 91011), (3957, 56465), (6595, 33879), (7365, 30337), (11293, 19785)]