821547441

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3733}}^1$

素因数の和:3788

約数の個数: 80

約数和(自身を含む): 1518095040

約数和(自身を除く): 696547599

約数列:

[1, 3, 9, 11, 13, 19, 27, 33, 39, 57, 81, 99, 117, 143, 171, 209, 247, 297, 351, 429, 513, 627, 741, 891, 1053, 1287, 1539, 1881, 2223, 2717, 3733, 3861, 5643, 6669, 8151, 11199, 11583, 16929, 20007, 24453, 33597, 41063, 48529, 70927, 73359, 100791, 123189, 145587, 212781, 220077, 302373, 369567, 436761, 533819, 638343, 780197, 922051, 1108701, 1310283, 1601457, 1915029, 2340591, 2766153, 3326103, 3930849, 4804371, 5745087, 7021773, 8298459, 10142561, 14413113, 21065319, 24895377, 30427683, 43239339, 63195957, 74686131, 91283049, 273849147, 821547441]

約数ペア:

[(1, 821547441), (3, 273849147), (9, 91283049), (11, 74686131), (13, 63195957), (19, 43239339), (27, 30427683), (33, 24895377), (39, 21065319), (57, 14413113), (81, 10142561), (99, 8298459), (117, 7021773), (143, 5745087), (171, 4804371), (209, 3930849), (247, 3326103), (297, 2766153), (351, 2340591), (429, 1915029), (513, 1601457), (627, 1310283), (741, 1108701), (891, 922051), (1053, 780197), (1287, 638343), (1539, 533819), (1881, 436761), (2223, 369567), (2717, 302373), (3733, 220077), (3861, 212781), (5643, 145587), (6669, 123189), (8151, 100791), (11199, 73359), (11583, 70927), (16929, 48529), (20007, 41063), (24453, 33597)]