55840005

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1801}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 106260336

約数和(自身を除く): 50420331

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 53, 65, 117, 159, 195, 265, 477, 585, 689, 795, 1801, 2067, 2385, 3445, 5403, 6201, 9005, 10335, 16209, 23413, 27015, 31005, 70239, 81045, 95453, 117065, 210717, 286359, 351195, 477265, 859077, 1053585, 1240889, 1431795, 3722667, 4295385, 6204445, 11168001, 18613335, 55840005]

約数ペア:

[(1, 55840005), (3, 18613335), (5, 11168001), (9, 6204445), (13, 4295385), (15, 3722667), (39, 1431795), (45, 1240889), (53, 1053585), (65, 859077), (117, 477265), (159, 351195), (195, 286359), (265, 210717), (477, 117065), (585, 95453), (689, 81045), (795, 70239), (1801, 31005), (2067, 27015), (2385, 23413), (3445, 16209), (5403, 10335), (6201, 9005)]