210318087

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{1223}}^1$

素因数の和:1683

約数の個数: 32

約数和(自身を含む): 338411520

約数和(自身を除く): 128093433

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 431, 1223, 1293, 3017, 3669, 8189, 8561, 9051, 23237, 24567, 25683, 57323, 69711, 162659, 171969, 487977, 527113, 1581339, 3689791, 10015147, 11069373, 30045441, 70106029, 210318087]

約数ペア:

[(1, 210318087), (3, 70106029), (7, 30045441), (19, 11069373), (21, 10015147), (57, 3689791), (133, 1581339), (399, 527113), (431, 487977), (1223, 171969), (1293, 162659), (3017, 69711), (3669, 57323), (8189, 25683), (8561, 24567), (9051, 23237)]