253408518

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{20981}}^1$

素因数の和:21061

約数の個数: 48

約数和(自身を含む): 608813712

約数和(自身を除く): 355405194

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 61, 66, 99, 122, 183, 198, 366, 549, 671, 1098, 1342, 2013, 4026, 6039, 12078, 20981, 41962, 62943, 125886, 188829, 230791, 377658, 461582, 692373, 1279841, 1384746, 2077119, 2559682, 3839523, 4154238, 7679046, 11518569, 14078251, 23037138, 28156502, 42234753, 84469506, 126704259, 253408518]

約数ペア:

[(1, 253408518), (2, 126704259), (3, 84469506), (6, 42234753), (9, 28156502), (11, 23037138), (18, 14078251), (22, 11518569), (33, 7679046), (61, 4154238), (66, 3839523), (99, 2559682), (122, 2077119), (183, 1384746), (198, 1279841), (366, 692373), (549, 461582), (671, 377658), (1098, 230791), (1342, 188829), (2013, 125886), (4026, 62943), (6039, 41962), (12078, 20981)]