81923201025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1\times {\mathrm{1237}}^1$

素因数の和:1803

約数の個数: 96

約数和(自身を含む): 145013575680

約数和(自身を除く): 63090374655

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 127, 255, 381, 409, 425, 635, 1227, 1237, 1275, 1905, 2045, 2159, 3175, 3711, 6135, 6185, 6477, 6953, 9525, 10225, 10795, 18555, 20859, 21029, 30675, 30925, 32385, 34765, 51943, 53975, 63087, 92775, 104295, 105145, 155829, 157099, 161925, 173825, 259715, 315435, 471297, 505933, 521475, 525725, 779145, 785495, 883031, 1298575, 1517799, 1577175, 2356485, 2529665, 2649093, 2670683, 3895725, 3927475, 4415155, 7588995, 8012049, 8600861, 11782425, 12648325, 13245465, 13353415, 22075775, 25802583, 37944975, 40060245, 43004305, 64253491, 66227325, 66767075, 129012915, 192760473, 200301225, 215021525, 321267455, 645064575, 963802365, 1092309347, 1606337275, 3276928041, 4819011825, 5461546735, 16384640205, 27307733675, 81923201025]

約数ペア:

[(1, 81923201025), (3, 27307733675), (5, 16384640205), (15, 5461546735), (17, 4819011825), (25, 3276928041), (51, 1606337275), (75, 1092309347), (85, 963802365), (127, 645064575), (255, 321267455), (381, 215021525), (409, 200301225), (425, 192760473), (635, 129012915), (1227, 66767075), (1237, 66227325), (1275, 64253491), (1905, 43004305), (2045, 40060245), (2159, 37944975), (3175, 25802583), (3711, 22075775), (6135, 13353415), (6185, 13245465), (6477, 12648325), (6953, 11782425), (9525, 8600861), (10225, 8012049), (10795, 7588995), (18555, 4415155), (20859, 3927475), (21029, 3895725), (30675, 2670683), (30925, 2649093), (32385, 2529665), (34765, 2356485), (51943, 1577175), (53975, 1517799), (63087, 1298575), (92775, 883031), (104295, 785495), (105145, 779145), (155829, 525725), (157099, 521475), (161925, 505933), (173825, 471297), (259715, 315435)]