205121775

素因数分解:

$3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{15809}}^1$

素因数の和:15995

約数の個数: 24

約数和(自身を含む): 341116560

約数和(自身を除く): 135994785

約数列:

[1, 3, 5, 15, 25, 75, 173, 519, 865, 2595, 4325, 12975, 15809, 47427, 79045, 237135, 395225, 1185675, 2734957, 8204871, 13674785, 41024355, 68373925, 205121775]

約数ペア:

[(1, 205121775), (3, 68373925), (5, 41024355), (15, 13674785), (25, 8204871), (75, 2734957), (173, 1185675), (519, 395225), (865, 237135), (2595, 79045), (4325, 47427), (12975, 15809)]