2650221

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 4792320

約数和(自身を除く): 2142099

約数列:

[1, 3, 7, 9, 21, 23, 31, 59, 63, 69, 93, 161, 177, 207, 217, 279, 413, 483, 531, 651, 713, 1239, 1357, 1449, 1829, 1953, 2139, 3717, 4071, 4991, 5487, 6417, 9499, 12213, 12803, 14973, 16461, 28497, 38409, 42067, 44919, 85491, 115227, 126201, 294469, 378603, 883407, 2650221]

約数ペア:

[(1, 2650221), (3, 883407), (7, 378603), (9, 294469), (21, 126201), (23, 115227), (31, 85491), (59, 44919), (63, 42067), (69, 38409), (93, 28497), (161, 16461), (177, 14973), (207, 12803), (217, 12213), (279, 9499), (413, 6417), (483, 5487), (531, 4991), (651, 4071), (713, 3717), (1239, 2139), (1357, 1953), (1449, 1829)]