87439347

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 140107968

約数和(自身を除く): 52668621

約数列:

[1, 3, 9, 17, 41, 51, 53, 123, 153, 159, 263, 369, 477, 697, 789, 901, 2091, 2173, 2367, 2703, 4471, 6273, 6519, 8109, 10783, 13413, 13939, 19557, 32349, 36941, 40239, 41817, 97047, 110823, 125451, 183311, 236963, 332469, 549933, 571499, 710889, 1649799, 1714497, 2132667, 5143491, 9715483, 29146449, 87439347]

約数ペア:

[(1, 87439347), (3, 29146449), (9, 9715483), (17, 5143491), (41, 2132667), (51, 1714497), (53, 1649799), (123, 710889), (153, 571499), (159, 549933), (263, 332469), (369, 236963), (477, 183311), (697, 125451), (789, 110823), (901, 97047), (2091, 41817), (2173, 40239), (2367, 36941), (2703, 32349), (4471, 19557), (6273, 13939), (6519, 13413), (8109, 10783)]