989912205

素因数分解:

$3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{64891}}^1$

素因数の和:65018

約数の個数: 32

約数和(自身を含む): 1775445120

約数和(自身を除く): 785532915

約数列:

[1, 3, 5, 9, 15, 27, 45, 113, 135, 339, 565, 1017, 1695, 3051, 5085, 15255, 64891, 194673, 324455, 584019, 973365, 1752057, 2920095, 7332683, 8760285, 21998049, 36663415, 65994147, 109990245, 197982441, 329970735, 989912205]

約数ペア:

[(1, 989912205), (3, 329970735), (5, 197982441), (9, 109990245), (15, 65994147), (27, 36663415), (45, 21998049), (113, 8760285), (135, 7332683), (339, 2920095), (565, 1752057), (1017, 973365), (1695, 584019), (3051, 324455), (5085, 194673), (15255, 64891)]