203450205

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{2113}}^1$

素因数の和:2266

約数の個数: 48

約数和(自身を含む): 381737664

約数和(自身を除く): 178287459

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 131, 147, 245, 393, 655, 735, 917, 1965, 2113, 2751, 4585, 6339, 6419, 10565, 13755, 14791, 19257, 31695, 32095, 44373, 73955, 96285, 103537, 221865, 276803, 310611, 517685, 830409, 1384015, 1553055, 1937621, 4152045, 5812863, 9688105, 13563347, 29064315, 40690041, 67816735, 203450205]

約数ペア:

[(1, 203450205), (3, 67816735), (5, 40690041), (7, 29064315), (15, 13563347), (21, 9688105), (35, 5812863), (49, 4152045), (105, 1937621), (131, 1553055), (147, 1384015), (245, 830409), (393, 517685), (655, 310611), (735, 276803), (917, 221865), (1965, 103537), (2113, 96285), (2751, 73955), (4585, 44373), (6339, 32095), (6419, 31695), (10565, 19257), (13755, 14791)]