55131435

素因数分解:

$3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:905

約数の個数: 40

約数和(自身を含む): 99473616

約数和(自身を除く): 44342181

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 197, 405, 591, 691, 985, 1773, 2073, 2955, 3455, 5319, 6219, 8865, 10365, 15957, 18657, 26595, 31095, 55971, 79785, 93285, 136127, 279855, 408381, 680635, 1225143, 2041905, 3675429, 6125715, 11026287, 18377145, 55131435]

約数ペア:

[(1, 55131435), (3, 18377145), (5, 11026287), (9, 6125715), (15, 3675429), (27, 2041905), (45, 1225143), (81, 680635), (135, 408381), (197, 279855), (405, 136127), (591, 93285), (691, 79785), (985, 55971), (1773, 31095), (2073, 26595), (2955, 18657), (3455, 15957), (5319, 10365), (6219, 8865)]