15998931

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2399}}^1$

素因数の和:2440

約数の個数: 32

約数和(自身を含む): 26880000

約数和(自身を除く): 10881069

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 2399, 6669, 7197, 21591, 31187, 45581, 64773, 93561, 136743, 280683, 410229, 592553, 842049, 1230687, 1777659, 5332977, 15998931]

約数ペア:

[(1, 15998931), (3, 5332977), (9, 1777659), (13, 1230687), (19, 842049), (27, 592553), (39, 410229), (57, 280683), (117, 136743), (171, 93561), (247, 64773), (351, 45581), (513, 31187), (741, 21591), (2223, 7197), (2399, 6669)]