12971865

素因数分解:

$3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1699}}^1$

素因数の和:2216

約数の個数: 16

約数和(自身を含む): 20808000

約数和(自身を除く): 7836135

約数列:

[1, 3, 5, 15, 509, 1527, 1699, 2545, 5097, 7635, 8495, 25485, 864791, 2594373, 4323955, 12971865]

約数ペア:

[(1, 12971865), (3, 4323955), (5, 2594373), (15, 864791), (509, 25485), (1527, 8495), (1699, 7635), (2545, 5097)]