81461373

素因数分解:

$3^1\times 7^2\times {\mathrm{347}}^1\times {\mathrm{1597}}^1$

素因数の和:1961

約数の個数: 24

約数和(自身を含む): 126791712

約数和(自身を除く): 45330339

約数列:

[1, 3, 7, 21, 49, 147, 347, 1041, 1597, 2429, 4791, 7287, 11179, 17003, 33537, 51009, 78253, 234759, 554159, 1662477, 3879113, 11637339, 27153791, 81461373]

約数ペア:

[(1, 81461373), (3, 27153791), (7, 11637339), (21, 3879113), (49, 1662477), (147, 554159), (347, 234759), (1041, 78253), (1597, 51009), (2429, 33537), (4791, 17003), (7287, 11179)]