81089541

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{691}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 136019520

約数和(自身を除く): 54929979

約数列:

[1, 3, 9, 13, 17, 39, 51, 59, 117, 153, 177, 221, 531, 663, 691, 767, 1003, 1989, 2073, 2301, 3009, 6219, 6903, 8983, 9027, 11747, 13039, 26949, 35241, 39117, 40769, 80847, 105723, 117351, 122307, 152711, 366921, 458133, 529997, 693073, 1374399, 1589991, 2079219, 4769973, 6237657, 9009949, 27029847, 81089541]

約数ペア:

[(1, 81089541), (3, 27029847), (9, 9009949), (13, 6237657), (17, 4769973), (39, 2079219), (51, 1589991), (59, 1374399), (117, 693073), (153, 529997), (177, 458133), (221, 366921), (531, 152711), (663, 122307), (691, 117351), (767, 105723), (1003, 80847), (1989, 40769), (2073, 39117), (2301, 35241), (3009, 26949), (6219, 13039), (6903, 11747), (8983, 9027)]