31909695

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 53151744

約数和(自身を除く): 21242049

約数列:

[1, 3, 5, 15, 31, 93, 155, 163, 421, 465, 489, 815, 1263, 2105, 2445, 5053, 6315, 13051, 15159, 25265, 39153, 65255, 68623, 75795, 195765, 205869, 343115, 1029345, 2127313, 6381939, 10636565, 31909695]

約数ペア:

[(1, 31909695), (3, 10636565), (5, 6381939), (15, 2127313), (31, 1029345), (93, 343115), (155, 205869), (163, 195765), (421, 75795), (465, 68623), (489, 65255), (815, 39153), (1263, 25265), (2105, 15159), (2445, 13051), (5053, 6315)]