78519681

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1193}}^1$

素因数の和:1373

約数の個数: 24

約数和(自身を含む): 116228736

約数和(自身を除く): 37709055

約数列:

[1, 3, 9, 71, 103, 213, 309, 639, 927, 1193, 3579, 7313, 10737, 21939, 65817, 84703, 122879, 254109, 368637, 762327, 1105911, 8724409, 26173227, 78519681]

約数ペア:

[(1, 78519681), (3, 26173227), (9, 8724409), (71, 1105911), (103, 762327), (213, 368637), (309, 254109), (639, 122879), (927, 84703), (1193, 65817), (3579, 21939), (7313, 10737)]