13187571831

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{8803}}^1$

素因数の和:8945

約数の個数: 72

約数和(自身を含む): 22963649280

約数和(自身を除く): 9776077449

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 79, 129, 147, 237, 301, 387, 441, 553, 711, 903, 1659, 2107, 2709, 3397, 3871, 4977, 6321, 8803, 10191, 11613, 18963, 23779, 26409, 30573, 34839, 61621, 71337, 79227, 166453, 184863, 214011, 378529, 431347, 499359, 554589, 695437, 1135587, 1294041, 1498077, 2086311, 2649703, 3406761, 3882123, 4868059, 6258933, 7949109, 14604177, 18547921, 23847327, 29903791, 34076413, 43812531, 55643763, 89711373, 102229239, 166931289, 209326537, 269134119, 306687717, 627979611, 1465285759, 1883938833, 4395857277, 13187571831]

約数ペア:

[(1, 13187571831), (3, 4395857277), (7, 1883938833), (9, 1465285759), (21, 627979611), (43, 306687717), (49, 269134119), (63, 209326537), (79, 166931289), (129, 102229239), (147, 89711373), (237, 55643763), (301, 43812531), (387, 34076413), (441, 29903791), (553, 23847327), (711, 18547921), (903, 14604177), (1659, 7949109), (2107, 6258933), (2709, 4868059), (3397, 3882123), (3871, 3406761), (4977, 2649703), (6321, 2086311), (8803, 1498077), (10191, 1294041), (11613, 1135587), (18963, 695437), (23779, 554589), (26409, 499359), (30573, 431347), (34839, 378529), (61621, 214011), (71337, 184863), (79227, 166453)]