81228402

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{63559}}^1$

素因数の和:63638

約数の個数: 24

約数和(自身を含む): 178476480

約数和(自身を除く): 97248078

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 63559, 127118, 190677, 381354, 572031, 1144062, 4512689, 9025378, 13538067, 27076134, 40614201, 81228402]

約数ペア:

[(1, 81228402), (2, 40614201), (3, 27076134), (6, 13538067), (9, 9025378), (18, 4512689), (71, 1144062), (142, 572031), (213, 381354), (426, 190677), (639, 127118), (1278, 63559)]