219213423

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2399}}^1$

素因数の和:2500

約数の個数: 48

約数和(自身を含む): 377395200

約数和(自身を除く): 158181777

約数列:

[1, 3, 9, 11, 13, 33, 39, 71, 99, 117, 143, 213, 429, 639, 781, 923, 1287, 2343, 2399, 2769, 7029, 7197, 8307, 10153, 21591, 26389, 30459, 31187, 79167, 91377, 93561, 170329, 237501, 280683, 343057, 510987, 1029171, 1532961, 1873619, 2214277, 3087513, 5620857, 6642831, 16862571, 19928493, 24357047, 73071141, 219213423]

約数ペア:

[(1, 219213423), (3, 73071141), (9, 24357047), (11, 19928493), (13, 16862571), (33, 6642831), (39, 5620857), (71, 3087513), (99, 2214277), (117, 1873619), (143, 1532961), (213, 1029171), (429, 510987), (639, 343057), (781, 280683), (923, 237501), (1287, 170329), (2343, 93561), (2399, 91377), (2769, 79167), (7029, 31187), (7197, 30459), (8307, 26389), (10153, 21591)]