2121175

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 48

約数和(自身を含む): 3428352

約数和(自身を除く): 1307177

約数列:

[1, 5, 7, 17, 23, 25, 31, 35, 85, 115, 119, 155, 161, 175, 217, 391, 425, 527, 575, 595, 713, 775, 805, 1085, 1955, 2635, 2737, 2975, 3565, 3689, 4025, 4991, 5425, 9775, 12121, 13175, 13685, 17825, 18445, 24955, 60605, 68425, 84847, 92225, 124775, 303025, 424235, 2121175]

約数ペア:

[(1, 2121175), (5, 424235), (7, 303025), (17, 124775), (23, 92225), (25, 84847), (31, 68425), (35, 60605), (85, 24955), (115, 18445), (119, 17825), (155, 13685), (161, 13175), (175, 12121), (217, 9775), (391, 5425), (425, 4991), (527, 4025), (575, 3689), (595, 3565), (713, 2975), (775, 2737), (805, 2635), (1085, 1955)]