25430625

素因数分解:

$3^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{137}}^1$

素因数の和:177

約数の個数: 80

約数和(自身を含む): 51733440

約数和(自身を除く): 26302815

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 125, 135, 137, 165, 225, 275, 297, 375, 411, 495, 625, 675, 685, 825, 1125, 1233, 1375, 1485, 1507, 1875, 2055, 2475, 3375, 3425, 3699, 4125, 4521, 5625, 6165, 6875, 7425, 7535, 10275, 12375, 13563, 16875, 17125, 18495, 20625, 22605, 30825, 37125, 37675, 40689, 51375, 61875, 67815, 85625, 92475, 113025, 154125, 185625, 188375, 203445, 256875, 339075, 462375, 565125, 770625, 941875, 1017225, 1695375, 2311875, 2825625, 5086125, 8476875, 25430625]

約数ペア:

[(1, 25430625), (3, 8476875), (5, 5086125), (9, 2825625), (11, 2311875), (15, 1695375), (25, 1017225), (27, 941875), (33, 770625), (45, 565125), (55, 462375), (75, 339075), (99, 256875), (125, 203445), (135, 188375), (137, 185625), (165, 154125), (225, 113025), (275, 92475), (297, 85625), (375, 67815), (411, 61875), (495, 51375), (625, 40689), (675, 37675), (685, 37125), (825, 30825), (1125, 22605), (1233, 20625), (1375, 18495), (1485, 17125), (1507, 16875), (1875, 13563), (2055, 12375), (2475, 10275), (3375, 7535), (3425, 7425), (3699, 6875), (4125, 6165), (4521, 5625)]