199227987

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{293}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 339026688

約数和(自身を除く): 139798701

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 251, 293, 301, 387, 753, 879, 903, 1757, 2051, 2259, 2637, 2709, 5271, 6153, 10793, 12599, 15813, 18459, 32379, 37797, 73543, 75551, 88193, 97137, 113391, 220629, 226653, 264579, 514801, 661887, 679959, 793737, 1544403, 3162349, 4633209, 9487047, 22136443, 28461141, 66409329, 199227987]

約数ペア:

[(1, 199227987), (3, 66409329), (7, 28461141), (9, 22136443), (21, 9487047), (43, 4633209), (63, 3162349), (129, 1544403), (251, 793737), (293, 679959), (301, 661887), (387, 514801), (753, 264579), (879, 226653), (903, 220629), (1757, 113391), (2051, 97137), (2259, 88193), (2637, 75551), (2709, 73543), (5271, 37797), (6153, 32379), (10793, 18459), (12599, 15813)]