64312131

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 97888000

約数和(自身を除く): 33575869

約数列:

[1, 3, 13, 19, 39, 57, 229, 247, 379, 687, 741, 1137, 2977, 4351, 4927, 7201, 8931, 13053, 14781, 21603, 56563, 86791, 93613, 169689, 260373, 280839, 1128283, 1649029, 3384849, 4947087, 21437377, 64312131]

約数ペア:

[(1, 64312131), (3, 21437377), (13, 4947087), (19, 3384849), (39, 1649029), (57, 1128283), (229, 280839), (247, 260373), (379, 169689), (687, 93613), (741, 86791), (1137, 56563), (2977, 21603), (4351, 14781), (4927, 13053), (7201, 8931)]