12997245

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5519}}^1$

素因数の和:5684

約数の個数: 16

約数和(自身を含む): 20931840

約数和(自身を除く): 7934595

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 5519, 16557, 27595, 82785, 866483, 2599449, 4332415, 12997245]

約数ペア:

[(1, 12997245), (3, 4332415), (5, 2599449), (15, 866483), (157, 82785), (471, 27595), (785, 16557), (2355, 5519)]