312156621

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{587}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 540094464

約数和(自身を除く): 227937843

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 367, 483, 587, 1101, 1449, 1761, 2569, 3303, 4109, 5283, 7707, 8441, 12327, 13501, 23121, 25323, 36981, 40503, 59087, 75969, 94507, 121509, 177261, 215429, 283521, 531783, 646287, 850563, 1508003, 1938861, 4524009, 4954867, 13572027, 14864601, 34684069, 44593803, 104052207, 312156621]

約数ペア:

[(1, 312156621), (3, 104052207), (7, 44593803), (9, 34684069), (21, 14864601), (23, 13572027), (63, 4954867), (69, 4524009), (161, 1938861), (207, 1508003), (367, 850563), (483, 646287), (587, 531783), (1101, 283521), (1449, 215429), (1761, 177261), (2569, 121509), (3303, 94507), (4109, 75969), (5283, 59087), (7707, 40503), (8441, 36981), (12327, 25323), (13501, 23121)]