161825475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1279}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 307281920

約数和(自身を除く): 145456445

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 241, 525, 723, 1205, 1279, 1687, 3615, 3837, 5061, 6025, 6395, 8435, 8953, 18075, 19185, 25305, 26859, 31975, 42175, 44765, 95925, 126525, 134295, 223825, 308239, 671475, 924717, 1541195, 2157673, 4623585, 6473019, 7705975, 10788365, 23117925, 32365095, 53941825, 161825475]

約数ペア:

[(1, 161825475), (3, 53941825), (5, 32365095), (7, 23117925), (15, 10788365), (21, 7705975), (25, 6473019), (35, 4623585), (75, 2157673), (105, 1541195), (175, 924717), (241, 671475), (525, 308239), (723, 223825), (1205, 134295), (1279, 126525), (1687, 95925), (3615, 44765), (3837, 42175), (5061, 31975), (6025, 26859), (6395, 25305), (8435, 19185), (8953, 18075)]