215528745

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{624721}}^1$

素因数の和:624752

約数の個数: 16

約数和(自身を含む): 359839872

約数和(自身を除く): 144311127

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 624721, 1874163, 3123605, 9370815, 14368583, 43105749, 71842915, 215528745]

約数ペア:

[(1, 215528745), (3, 71842915), (5, 43105749), (15, 14368583), (23, 9370815), (69, 3123605), (115, 1874163), (345, 624721)]