71216847

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1481}}^1$

素因数の和:1640

約数の個数: 32

約数和(自身を含む): 114528960

約数和(自身を除く): 43312113

約数列:

[1, 3, 9, 13, 27, 39, 117, 137, 351, 411, 1233, 1481, 1781, 3699, 4443, 5343, 13329, 16029, 19253, 39987, 48087, 57759, 173277, 202897, 519831, 608691, 1826073, 2637661, 5478219, 7912983, 23738949, 71216847]

約数ペア:

[(1, 71216847), (3, 23738949), (9, 7912983), (13, 5478219), (27, 2637661), (39, 1826073), (117, 608691), (137, 519831), (351, 202897), (411, 173277), (1233, 57759), (1481, 48087), (1781, 39987), (3699, 19253), (4443, 16029), (5343, 13329)]