211221486

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{558787}}^1$

素因数の和:558805

約数の個数: 32

約数和(自身を含む): 536436480

約数和(自身を除く): 325214994

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 558787, 1117574, 1676361, 3352722, 3911509, 5029083, 7823018, 10058166, 11734527, 15087249, 23469054, 30174498, 35203581, 70407162, 105610743, 211221486]

約数ペア:

[(1, 211221486), (2, 105610743), (3, 70407162), (6, 35203581), (7, 30174498), (9, 23469054), (14, 15087249), (18, 11734527), (21, 10058166), (27, 7823018), (42, 5029083), (54, 3911509), (63, 3352722), (126, 1676361), (189, 1117574), (378, 558787)]