17791998

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:921

約数の個数: 48

約数和(自身を含む): 42011280

約数和(自身を除く): 24219282

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 73, 98, 146, 147, 219, 294, 438, 511, 829, 1022, 1533, 1658, 2487, 3066, 3577, 4974, 5803, 7154, 10731, 11606, 17409, 21462, 34818, 40621, 60517, 81242, 121034, 121863, 181551, 243726, 363102, 423619, 847238, 1270857, 2541714, 2965333, 5930666, 8895999, 17791998]

約数ペア:

[(1, 17791998), (2, 8895999), (3, 5930666), (6, 2965333), (7, 2541714), (14, 1270857), (21, 847238), (42, 423619), (49, 363102), (73, 243726), (98, 181551), (146, 121863), (147, 121034), (219, 81242), (294, 60517), (438, 40621), (511, 34818), (829, 21462), (1022, 17409), (1533, 11606), (1658, 10731), (2487, 7154), (3066, 5803), (3577, 4974)]