1902005

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1753}}^1$

素因数の和:1796

約数の個数: 16

約数和(自身を含む): 2694144

約数和(自身を除く): 792139

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 1753, 8765, 12271, 54343, 61355, 271715, 380401, 1902005]

約数ペア:

[(1, 1902005), (5, 380401), (7, 271715), (31, 61355), (35, 54343), (155, 12271), (217, 8765), (1085, 1753)]