161738775

素因数分解:

$3^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:223

約数の個数: 120

約数和(自身を含む): 335429424

約数和(自身を除く): 173690649

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 53, 55, 75, 81, 99, 135, 137, 159, 165, 225, 265, 275, 297, 405, 411, 477, 495, 583, 675, 685, 795, 825, 891, 1233, 1325, 1431, 1485, 1507, 1749, 2025, 2055, 2385, 2475, 2915, 3425, 3699, 3975, 4293, 4455, 4521, 5247, 6165, 7155, 7261, 7425, 7535, 8745, 10275, 11097, 11925, 13563, 14575, 15741, 18495, 21465, 21783, 22275, 22605, 26235, 30825, 35775, 36305, 37675, 40689, 43725, 47223, 55485, 65349, 67815, 78705, 79871, 92475, 107325, 108915, 113025, 122067, 131175, 181525, 196047, 203445, 236115, 239613, 277425, 326745, 339075, 393525, 399355, 544575, 588141, 610335, 718839, 980235, 1017225, 1180575, 1198065, 1633725, 1996775, 2156517, 2940705, 3051675, 3594195, 4901175, 5990325, 6469551, 10782585, 14703525, 17970975, 32347755, 53912925, 161738775]

約数ペア:

[(1, 161738775), (3, 53912925), (5, 32347755), (9, 17970975), (11, 14703525), (15, 10782585), (25, 6469551), (27, 5990325), (33, 4901175), (45, 3594195), (53, 3051675), (55, 2940705), (75, 2156517), (81, 1996775), (99, 1633725), (135, 1198065), (137, 1180575), (159, 1017225), (165, 980235), (225, 718839), (265, 610335), (275, 588141), (297, 544575), (405, 399355), (411, 393525), (477, 339075), (495, 326745), (583, 277425), (675, 239613), (685, 236115), (795, 203445), (825, 196047), (891, 181525), (1233, 131175), (1325, 122067), (1431, 113025), (1485, 108915), (1507, 107325), (1749, 92475), (2025, 79871), (2055, 78705), (2385, 67815), (2475, 65349), (2915, 55485), (3425, 47223), (3699, 43725), (3975, 40689), (4293, 37675), (4455, 36305), (4521, 35775), (5247, 30825), (6165, 26235), (7155, 22605), (7261, 22275), (7425, 21783), (7535, 21465), (8745, 18495), (10275, 15741), (11097, 14575), (11925, 13563)]