201999171

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{887}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 301436928

約数和(自身を除く): 99437757

約数列:

[1, 3, 11, 33, 67, 103, 201, 309, 737, 887, 1133, 2211, 2661, 3399, 6901, 9757, 20703, 29271, 59429, 75911, 91361, 178287, 227733, 274083, 653719, 1004971, 1961157, 3014913, 6121187, 18363561, 67333057, 201999171]

約数ペア:

[(1, 201999171), (3, 67333057), (11, 18363561), (33, 6121187), (67, 3014913), (103, 1961157), (201, 1004971), (309, 653719), (737, 274083), (887, 227733), (1133, 178287), (2211, 91361), (2661, 75911), (3399, 59429), (6901, 29271), (9757, 20703)]