223939305

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1093}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 404473680

約数和(自身を除く): 180534375

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 157, 261, 435, 471, 785, 1093, 1305, 1413, 2355, 3279, 4553, 5465, 7065, 9837, 13659, 16395, 22765, 31697, 40977, 49185, 68295, 95091, 158485, 171601, 204885, 285273, 475455, 514803, 858005, 1426365, 1544409, 2574015, 4976429, 7722045, 14929287, 24882145, 44787861, 74646435, 223939305]

約数ペア:

[(1, 223939305), (3, 74646435), (5, 44787861), (9, 24882145), (15, 14929287), (29, 7722045), (45, 4976429), (87, 2574015), (145, 1544409), (157, 1426365), (261, 858005), (435, 514803), (471, 475455), (785, 285273), (1093, 204885), (1305, 171601), (1413, 158485), (2355, 95091), (3279, 68295), (4553, 49185), (5465, 40977), (7065, 31697), (9837, 22765), (13659, 16395)]