1216971

素因数分解:

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

素因数の和:200

約数の個数: 32

約数和(自身を含む): 2119680

約数和(自身を除く): 902709

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 137, 141, 189, 329, 411, 423, 959, 987, 1233, 1269, 2877, 2961, 3699, 6439, 8631, 8883, 19317, 25893, 45073, 57951, 135219, 173853, 405657, 1216971]

約数ペア:

[(1, 1216971), (3, 405657), (7, 173853), (9, 135219), (21, 57951), (27, 45073), (47, 25893), (63, 19317), (137, 8883), (141, 8631), (189, 6439), (329, 3699), (411, 2961), (423, 2877), (959, 1269), (987, 1233)]