53447949

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{20549}}^1$

素因数の和:20589

約数の個数: 18

約数和(自身を含む): 82015050

約数和(自身を除く): 28567101

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 20549, 61647, 184941, 349333, 1047999, 3143997, 5938661, 17815983, 53447949]

約数ペア:

[(1, 53447949), (3, 17815983), (9, 5938661), (17, 3143997), (51, 1047999), (153, 349333), (289, 184941), (867, 61647), (2601, 20549)]