61817925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 119992320

約数和(自身を除く): 58174395

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 47, 57, 65, 71, 75, 95, 141, 195, 213, 235, 247, 285, 325, 355, 475, 611, 705, 741, 893, 923, 975, 1065, 1175, 1235, 1349, 1425, 1775, 1833, 2679, 2769, 3055, 3337, 3525, 3705, 4047, 4465, 4615, 5325, 6175, 6745, 9165, 10011, 11609, 13395, 13845, 15275, 16685, 17537, 18525, 20235, 22325, 23075, 33725, 34827, 43381, 45825, 50055, 52611, 58045, 63403, 66975, 69225, 83425, 87685, 101175, 130143, 174135, 190209, 216905, 250275, 263055, 290225, 317015, 438425, 650715, 824239, 870675, 951045, 1084525, 1315275, 1585075, 2472717, 3253575, 4121195, 4755225, 12363585, 20605975, 61817925]

約数ペア:

[(1, 61817925), (3, 20605975), (5, 12363585), (13, 4755225), (15, 4121195), (19, 3253575), (25, 2472717), (39, 1585075), (47, 1315275), (57, 1084525), (65, 951045), (71, 870675), (75, 824239), (95, 650715), (141, 438425), (195, 317015), (213, 290225), (235, 263055), (247, 250275), (285, 216905), (325, 190209), (355, 174135), (475, 130143), (611, 101175), (705, 87685), (741, 83425), (893, 69225), (923, 66975), (975, 63403), (1065, 58045), (1175, 52611), (1235, 50055), (1349, 45825), (1425, 43381), (1775, 34827), (1833, 33725), (2679, 23075), (2769, 22325), (3055, 20235), (3337, 18525), (3525, 17537), (3705, 16685), (4047, 15275), (4465, 13845), (4615, 13395), (5325, 11609), (6175, 10011), (6745, 9165)]