81609579

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{619}}^1$

素因数の和:904

約数の個数: 32

約数和(自身を含む): 127968000

約数和(自身を除く): 46358421

約数列:

[1, 3, 9, 19, 27, 57, 171, 257, 513, 619, 771, 1857, 2313, 4883, 5571, 6939, 11761, 14649, 16713, 35283, 43947, 105849, 131841, 159083, 317547, 477249, 1431747, 3022577, 4295241, 9067731, 27203193, 81609579]

約数ペア:

[(1, 81609579), (3, 27203193), (9, 9067731), (19, 4295241), (27, 3022577), (57, 1431747), (171, 477249), (257, 317547), (513, 159083), (619, 131841), (771, 105849), (1857, 43947), (2313, 35283), (4883, 16713), (5571, 14649), (6939, 11761)]