3967257

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 6507520

約数和(自身を除く): 2540263

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 163, 183, 399, 427, 489, 1141, 1159, 1281, 3097, 3423, 3477, 8113, 9291, 9943, 21679, 24339, 29829, 65037, 69601, 188917, 208803, 566751, 1322419, 3967257]

約数ペア:

[(1, 3967257), (3, 1322419), (7, 566751), (19, 208803), (21, 188917), (57, 69601), (61, 65037), (133, 29829), (163, 24339), (183, 21679), (399, 9943), (427, 9291), (489, 8113), (1141, 3477), (1159, 3423), (1281, 3097)]