25687161

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 38301120

約数和(自身を除く): 12613959

約数列:

[1, 3, 9, 61, 71, 183, 213, 549, 639, 659, 1977, 4331, 5931, 12993, 38979, 40199, 46789, 120597, 140367, 361791, 421101, 2854129, 8562387, 25687161]

約数ペア:

[(1, 25687161), (3, 8562387), (9, 2854129), (61, 421101), (71, 361791), (183, 140367), (213, 120597), (549, 46789), (639, 40199), (659, 38979), (1977, 12993), (4331, 5931)]