18427575

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 32810400

約数和(自身を除く): 14382825

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 97, 149, 255, 291, 425, 447, 485, 745, 1275, 1455, 1649, 2235, 2425, 2533, 3725, 4947, 7275, 7599, 8245, 11175, 12665, 14453, 24735, 37995, 41225, 43359, 63325, 72265, 123675, 189975, 216795, 245701, 361325, 737103, 1083975, 1228505, 3685515, 6142525, 18427575]

約数ペア:

[(1, 18427575), (3, 6142525), (5, 3685515), (15, 1228505), (17, 1083975), (25, 737103), (51, 361325), (75, 245701), (85, 216795), (97, 189975), (149, 123675), (255, 72265), (291, 63325), (425, 43359), (447, 41225), (485, 37995), (745, 24735), (1275, 14453), (1455, 12665), (1649, 11175), (2235, 8245), (2425, 7599), (2533, 7275), (3725, 4947)]