289496055

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{1709}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 484600320

約数和(自身を除く): 195104265

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 491, 1473, 1709, 2455, 5127, 7365, 8545, 11293, 25635, 33879, 39307, 56465, 117921, 169395, 196535, 589605, 839119, 2517357, 4195595, 12586785, 19299737, 57899211, 96498685, 289496055]

約数ペア:

[(1, 289496055), (3, 96498685), (5, 57899211), (15, 19299737), (23, 12586785), (69, 4195595), (115, 2517357), (345, 839119), (491, 589605), (1473, 196535), (1709, 169395), (2455, 117921), (5127, 56465), (7365, 39307), (8545, 33879), (11293, 25635)]