15748965

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2713}}^1$

素因数の和:2770

約数の個数: 32

約数和(自身を含む): 28659840

約数和(自身を除く): 12910875

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 2713, 5805, 8139, 13565, 24417, 40695, 73251, 116659, 122085, 349977, 366255, 583295, 1049931, 1749885, 3149793, 5249655, 15748965]

約数ペア:

[(1, 15748965), (3, 5249655), (5, 3149793), (9, 1749885), (15, 1049931), (27, 583295), (43, 366255), (45, 349977), (129, 122085), (135, 116659), (215, 73251), (387, 40695), (645, 24417), (1161, 13565), (1935, 8139), (2713, 5805)]