28423725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 51853824

約数和(自身を除く): 23430099

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 131, 165, 263, 275, 393, 655, 789, 825, 1315, 1441, 1965, 2893, 3275, 3945, 4323, 6575, 7205, 8679, 9825, 14465, 19725, 21615, 34453, 36025, 43395, 72325, 103359, 108075, 172265, 216975, 378983, 516795, 861325, 1136949, 1894915, 2583975, 5684745, 9474575, 28423725]

約数ペア:

[(1, 28423725), (3, 9474575), (5, 5684745), (11, 2583975), (15, 1894915), (25, 1136949), (33, 861325), (55, 516795), (75, 378983), (131, 216975), (165, 172265), (263, 108075), (275, 103359), (393, 72325), (655, 43395), (789, 36025), (825, 34453), (1315, 21615), (1441, 19725), (1965, 14465), (2893, 9825), (3275, 8679), (3945, 7205), (4323, 6575)]