25181481

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 38384640

約数和(自身を除く): 13203159

約数列:

[1, 3, 13, 23, 39, 67, 69, 201, 299, 419, 871, 897, 1257, 1541, 2613, 4623, 5447, 9637, 16341, 20033, 28073, 28911, 60099, 84219, 125281, 364949, 375843, 645679, 1094847, 1937037, 8393827, 25181481]

約数ペア:

[(1, 25181481), (3, 8393827), (13, 1937037), (23, 1094847), (39, 645679), (67, 375843), (69, 364949), (201, 125281), (299, 84219), (419, 60099), (871, 28911), (897, 28073), (1257, 20033), (1541, 16341), (2613, 9637), (4623, 5447)]