85691571

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 133186560

約数和(自身を除く): 47494989

約数列:

[1, 3, 7, 21, 103, 173, 229, 309, 519, 687, 721, 1211, 1603, 2163, 3633, 4809, 17819, 23587, 39617, 53457, 70761, 118851, 124733, 165109, 277319, 374199, 495327, 831957, 4080551, 12241653, 28563857, 85691571]

約数ペア:

[(1, 85691571), (3, 28563857), (7, 12241653), (21, 4080551), (103, 831957), (173, 495327), (229, 374199), (309, 277319), (519, 165109), (687, 124733), (721, 118851), (1211, 70761), (1603, 53457), (2163, 39617), (3633, 23587), (4809, 17819)]