30628575

素因数分解:

$3^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:904

約数の個数: 36

約数和(自身を含む): 55217448

約数和(自身を除く): 24588873

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 197, 225, 591, 691, 985, 1773, 2073, 2955, 3455, 4925, 6219, 8865, 10365, 14775, 17275, 31095, 44325, 51825, 136127, 155475, 408381, 680635, 1225143, 2041905, 3403175, 6125715, 10209525, 30628575]

約数ペア:

[(1, 30628575), (3, 10209525), (5, 6125715), (9, 3403175), (15, 2041905), (25, 1225143), (45, 680635), (75, 408381), (197, 155475), (225, 136127), (591, 51825), (691, 44325), (985, 31095), (1773, 17275), (2073, 14775), (2955, 10365), (3455, 8865), (4925, 6219)]