1940355

素因数分解:

$3^5\times 5^1\times {\mathrm{1597}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 3490032

約数和(自身を除く): 1549677

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 1597, 4791, 7985, 14373, 23955, 43119, 71865, 129357, 215595, 388071, 646785, 1940355]

約数ペア:

[(1, 1940355), (3, 646785), (5, 388071), (9, 215595), (15, 129357), (27, 71865), (45, 43119), (81, 23955), (135, 14373), (243, 7985), (405, 4791), (1215, 1597)]