161099289

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{20551}}^1$

素因数の和:20637

約数の個数: 24

約数和(自身を含む): 254351552

約数和(自身を除く): 93252263

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2613, 7839, 20551, 61653, 184959, 267163, 801489, 1376917, 2404467, 4130751, 12392253, 17899921, 53699763, 161099289]

約数ペア:

[(1, 161099289), (3, 53699763), (9, 17899921), (13, 12392253), (39, 4130751), (67, 2404467), (117, 1376917), (201, 801489), (603, 267163), (871, 184959), (2613, 61653), (7839, 20551)]