217874865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1117307}}^1$

素因数の和:1117328

約数の個数: 16

約数和(自身を含む): 375415488

約数和(自身を除く): 157540623

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1117307, 3351921, 5586535, 14524991, 16759605, 43574973, 72624955, 217874865]

約数ペア:

[(1, 217874865), (3, 72624955), (5, 43574973), (13, 16759605), (15, 14524991), (39, 5586535), (65, 3351921), (195, 1117307)]