31914855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1427}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 64157184

約数和(自身を除く): 32242329

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 71, 105, 213, 315, 355, 497, 639, 1065, 1427, 1491, 2485, 3195, 4281, 4473, 7135, 7455, 9989, 12843, 21405, 22365, 29967, 49945, 64215, 89901, 101317, 149835, 303951, 449505, 506585, 709219, 911853, 1519755, 2127657, 3546095, 4559265, 6382971, 10638285, 31914855]

約数ペア:

[(1, 31914855), (3, 10638285), (5, 6382971), (7, 4559265), (9, 3546095), (15, 2127657), (21, 1519755), (35, 911853), (45, 709219), (63, 506585), (71, 449505), (105, 303951), (213, 149835), (315, 101317), (355, 89901), (497, 64215), (639, 49945), (1065, 29967), (1427, 22365), (1491, 21405), (2485, 12843), (3195, 9989), (4281, 7455), (4473, 7135)]