81840402

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{216509}}^1$

素因数の和:216527

約数の個数: 32

約数和(自身を含む): 207849600

約数和(自身を除く): 126009198

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 216509, 433018, 649527, 1299054, 1515563, 1948581, 3031126, 3897162, 4546689, 5845743, 9093378, 11691486, 13640067, 27280134, 40920201, 81840402]

約数ペア:

[(1, 81840402), (2, 40920201), (3, 27280134), (6, 13640067), (7, 11691486), (9, 9093378), (14, 5845743), (18, 4546689), (21, 3897162), (27, 3031126), (42, 1948581), (54, 1515563), (63, 1299054), (126, 649527), (189, 433018), (378, 216509)]