81432435

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 157593600

約数和(自身を除く): 76161165

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 47, 87, 105, 141, 145, 203, 235, 329, 435, 569, 609, 705, 987, 1015, 1363, 1645, 1707, 2845, 3045, 3983, 4089, 4935, 6815, 8535, 9541, 11949, 16501, 19915, 20445, 26743, 28623, 47705, 49503, 59745, 80229, 82505, 115507, 133715, 143115, 187201, 247515, 346521, 401145, 561603, 577535, 775547, 936005, 1732605, 2326641, 2808015, 3877735, 5428829, 11633205, 16286487, 27144145, 81432435]

約数ペア:

[(1, 81432435), (3, 27144145), (5, 16286487), (7, 11633205), (15, 5428829), (21, 3877735), (29, 2808015), (35, 2326641), (47, 1732605), (87, 936005), (105, 775547), (141, 577535), (145, 561603), (203, 401145), (235, 346521), (329, 247515), (435, 187201), (569, 143115), (609, 133715), (705, 115507), (987, 82505), (1015, 80229), (1363, 59745), (1645, 49503), (1707, 47705), (2845, 28623), (3045, 26743), (3983, 20445), (4089, 19915), (4935, 16501), (6815, 11949), (8535, 9541)]