261799695

素因数分解:

$3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5011}}^1$

素因数の和:5074

約数の個数: 48

約数和(自身を含む): 481633152

約数和(自身を除く): 219833457

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 243, 387, 405, 645, 1161, 1215, 1935, 3483, 5011, 5805, 10449, 15033, 17415, 25055, 45099, 52245, 75165, 135297, 215473, 225495, 405891, 646419, 676485, 1077365, 1217673, 1939257, 2029455, 3232095, 5817771, 6088365, 9696285, 17453313, 29088855, 52359939, 87266565, 261799695]

約数ペア:

[(1, 261799695), (3, 87266565), (5, 52359939), (9, 29088855), (15, 17453313), (27, 9696285), (43, 6088365), (45, 5817771), (81, 3232095), (129, 2029455), (135, 1939257), (215, 1217673), (243, 1077365), (387, 676485), (405, 646419), (645, 405891), (1161, 225495), (1215, 215473), (1935, 135297), (3483, 75165), (5011, 52245), (5805, 45099), (10449, 25055), (15033, 17415)]