69840981

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21737}}^1$

素因数の和:21770

約数の個数: 32

約数和(自身を含む): 125210880

約数和(自身を除く): 55369899

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 21737, 65211, 152159, 195633, 369529, 456477, 586899, 1108587, 1369431, 2586703, 3325761, 4108293, 7760109, 9977283, 23280327, 69840981]

約数ペア:

[(1, 69840981), (3, 23280327), (7, 9977283), (9, 7760109), (17, 4108293), (21, 3325761), (27, 2586703), (51, 1369431), (63, 1108587), (119, 586899), (153, 456477), (189, 369529), (357, 195633), (459, 152159), (1071, 65211), (3213, 21737)]