20161811493

素因数分解:

$3^4\times {\mathrm{317}}^2\times {\mathrm{2477}}^1$

素因数の和:3123

約数の個数: 30

約数和(自身を含む): 30225769266

約数和(自身を除く): 10063957773

約数列:

[1, 3, 9, 27, 81, 317, 951, 2477, 2853, 7431, 8559, 22293, 25677, 66879, 100489, 200637, 301467, 785209, 904401, 2355627, 2713203, 7066881, 8139609, 21200643, 63601929, 248911253, 746733759, 2240201277, 6720603831, 20161811493]

約数ペア:

[(1, 20161811493), (3, 6720603831), (9, 2240201277), (27, 746733759), (81, 248911253), (317, 63601929), (951, 21200643), (2477, 8139609), (2853, 7066881), (7431, 2713203), (8559, 2355627), (22293, 904401), (25677, 785209), (66879, 301467), (100489, 200637)]