25202709

素因数分解:

$3^2\times 7^2\times {\mathrm{57149}}^1$

素因数の和:57169

約数の個数: 18

約数和(自身を含む): 42348150

約数和(自身を除く): 17145441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 57149, 171447, 400043, 514341, 1200129, 2800301, 3600387, 8400903, 25202709]

約数ペア:

[(1, 25202709), (3, 8400903), (7, 3600387), (9, 2800301), (21, 1200129), (49, 514341), (63, 400043), (147, 171447), (441, 57149)]