87447213

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4219}}^1$

素因数の和:4286

約数の個数: 36

約数和(自身を含む): 150096960

約数和(自身を除く): 62649747

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2303, 2961, 4219, 6909, 12657, 20727, 29533, 37971, 88599, 198293, 206731, 265797, 594879, 620193, 1388051, 1784637, 1860579, 4164153, 9716357, 12492459, 29149071, 87447213]

約数ペア:

[(1, 87447213), (3, 29149071), (7, 12492459), (9, 9716357), (21, 4164153), (47, 1860579), (49, 1784637), (63, 1388051), (141, 620193), (147, 594879), (329, 265797), (423, 206731), (441, 198293), (987, 88599), (2303, 37971), (2961, 29533), (4219, 20727), (6909, 12657)]