215372289

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{10343}}^1$

素因数の和:10988

約数の個数: 16

約数和(自身を含む): 313795584

約数和(自身を除く): 98423295

約数列:

[1, 3, 11, 33, 631, 1893, 6941, 10343, 20823, 31029, 113773, 341319, 6526433, 19579299, 71790763, 215372289]

約数ペア:

[(1, 215372289), (3, 71790763), (11, 19579299), (33, 6526433), (631, 341319), (1893, 113773), (6941, 31029), (10343, 20823)]