28298979

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1447}}^1$

素因数の和:1547

約数の個数: 24

約数和(自身を含む): 42692832

約数和(自身を除く): 14393853

約数列:

[1, 3, 9, 41, 53, 123, 159, 369, 477, 1447, 2173, 4341, 6519, 13023, 19557, 59327, 76691, 177981, 230073, 533943, 690219, 3144331, 9432993, 28298979]

約数ペア:

[(1, 28298979), (3, 9432993), (9, 3144331), (41, 690219), (53, 533943), (123, 230073), (159, 177981), (369, 76691), (477, 59327), (1447, 19557), (2173, 13023), (4341, 6519)]