28305237219

素因数分解:

$3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{2767697}}^1$

素因数の和:2768194

約数の個数: 16

約数和(自身を含む): 43220371968

約数和(自身を除く): 14915134749

約数列:

[1, 3, 7, 21, 487, 1461, 3409, 10227, 2767697, 8303091, 19373879, 58121637, 1347868439, 4043605317, 9435079073, 28305237219]

約数ペア:

[(1, 28305237219), (3, 9435079073), (7, 4043605317), (21, 1347868439), (487, 58121637), (1461, 19373879), (3409, 8303091), (10227, 2767697)]