83970999

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 153888768

約数和(自身を除く): 69917769

約数列:

[1, 3, 7, 9, 21, 23, 27, 47, 63, 69, 81, 137, 141, 161, 189, 207, 329, 411, 423, 483, 567, 621, 959, 987, 1081, 1233, 1269, 1449, 1863, 2877, 2961, 3151, 3243, 3699, 3807, 4347, 6439, 7567, 8631, 8883, 9453, 9729, 11097, 13041, 19317, 22057, 22701, 25893, 26649, 28359, 29187, 45073, 57951, 66171, 68103, 77679, 85077, 87561, 135219, 148097, 173853, 198513, 204309, 255231, 405657, 444291, 521559, 595539, 612927, 1036679, 1216971, 1332873, 1786617, 3110037, 3650913, 3998619, 9330111, 11995857, 27990333, 83970999]

約数ペア:

[(1, 83970999), (3, 27990333), (7, 11995857), (9, 9330111), (21, 3998619), (23, 3650913), (27, 3110037), (47, 1786617), (63, 1332873), (69, 1216971), (81, 1036679), (137, 612927), (141, 595539), (161, 521559), (189, 444291), (207, 405657), (329, 255231), (411, 204309), (423, 198513), (483, 173853), (567, 148097), (621, 135219), (959, 87561), (987, 85077), (1081, 77679), (1233, 68103), (1269, 66171), (1449, 57951), (1863, 45073), (2877, 29187), (2961, 28359), (3151, 26649), (3243, 25893), (3699, 22701), (3807, 22057), (4347, 19317), (6439, 13041), (7567, 11097), (8631, 9729), (8883, 9453)]