61491105

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 115511760

約数和(自身を除く): 54020655

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 257, 409, 585, 771, 1227, 1285, 2045, 2313, 3341, 3681, 3855, 5317, 6135, 10023, 11565, 15951, 16705, 18405, 26585, 30069, 47853, 50115, 79755, 105113, 150345, 239265, 315339, 525565, 946017, 1366469, 1576695, 4099407, 4730085, 6832345, 12298221, 20497035, 61491105]

約数ペア:

[(1, 61491105), (3, 20497035), (5, 12298221), (9, 6832345), (13, 4730085), (15, 4099407), (39, 1576695), (45, 1366469), (65, 946017), (117, 525565), (195, 315339), (257, 239265), (409, 150345), (585, 105113), (771, 79755), (1227, 50115), (1285, 47853), (2045, 30069), (2313, 26585), (3341, 18405), (3681, 16705), (3855, 15951), (5317, 11565), (6135, 10023)]