38490975

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 75731760

約数和(自身を除く): 37240785

約数列:

[1, 3, 5, 9, 15, 17, 25, 29, 45, 51, 75, 85, 87, 145, 153, 225, 255, 261, 347, 425, 435, 493, 725, 765, 1041, 1275, 1305, 1479, 1735, 2175, 2465, 3123, 3825, 4437, 5205, 5899, 6525, 7395, 8675, 10063, 12325, 15615, 17697, 22185, 26025, 29495, 30189, 36975, 50315, 53091, 78075, 88485, 90567, 110925, 147475, 150945, 171071, 251575, 265455, 442425, 452835, 513213, 754725, 855355, 1327275, 1539639, 2264175, 2566065, 4276775, 7698195, 12830325, 38490975]

約数ペア:

[(1, 38490975), (3, 12830325), (5, 7698195), (9, 4276775), (15, 2566065), (17, 2264175), (25, 1539639), (29, 1327275), (45, 855355), (51, 754725), (75, 513213), (85, 452835), (87, 442425), (145, 265455), (153, 251575), (225, 171071), (255, 150945), (261, 147475), (347, 110925), (425, 90567), (435, 88485), (493, 78075), (725, 53091), (765, 50315), (1041, 36975), (1275, 30189), (1305, 29495), (1479, 26025), (1735, 22185), (2175, 17697), (2465, 15615), (3123, 12325), (3825, 10063), (4437, 8675), (5205, 7395), (5899, 6525)]