42120225

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 88208640

約数和(自身を除く): 46088415

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 47, 63, 75, 105, 141, 175, 225, 235, 315, 329, 423, 525, 569, 705, 987, 1175, 1575, 1645, 1707, 2115, 2845, 2961, 3525, 3983, 4935, 5121, 8225, 8535, 10575, 11949, 14225, 14805, 19915, 24675, 25605, 26743, 35847, 42675, 59745, 74025, 80229, 99575, 128025, 133715, 179235, 187201, 240687, 298725, 401145, 561603, 668575, 896175, 936005, 1203435, 1684809, 2005725, 2808015, 4680025, 6017175, 8424045, 14040075, 42120225]

約数ペア:

[(1, 42120225), (3, 14040075), (5, 8424045), (7, 6017175), (9, 4680025), (15, 2808015), (21, 2005725), (25, 1684809), (35, 1203435), (45, 936005), (47, 896175), (63, 668575), (75, 561603), (105, 401145), (141, 298725), (175, 240687), (225, 187201), (235, 179235), (315, 133715), (329, 128025), (423, 99575), (525, 80229), (569, 74025), (705, 59745), (987, 42675), (1175, 35847), (1575, 26743), (1645, 25605), (1707, 24675), (2115, 19915), (2845, 14805), (2961, 14225), (3525, 11949), (3983, 10575), (4935, 8535), (5121, 8225)]