28756719

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 43243200

約数和(自身を除く): 14486481

約数列:

[1, 3, 9, 29, 87, 239, 261, 461, 717, 1383, 2151, 4149, 6931, 13369, 20793, 40107, 62379, 110179, 120321, 330537, 991611, 3195191, 9585573, 28756719]

約数ペア:

[(1, 28756719), (3, 9585573), (9, 3195191), (29, 991611), (87, 330537), (239, 120321), (261, 110179), (461, 62379), (717, 40107), (1383, 20793), (2151, 13369), (4149, 6931)]