128575503

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 218889216

約数和(自身を除く): 90313713

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 173, 251, 329, 423, 519, 753, 987, 1211, 1557, 1757, 2259, 2961, 3633, 5271, 8131, 10899, 11797, 15813, 24393, 35391, 43423, 56917, 73179, 82579, 106173, 130269, 170751, 247737, 303961, 390807, 512253, 743211, 911883, 2040881, 2735649, 6122643, 14286167, 18367929, 42858501, 128575503]

約数ペア:

[(1, 128575503), (3, 42858501), (7, 18367929), (9, 14286167), (21, 6122643), (47, 2735649), (63, 2040881), (141, 911883), (173, 743211), (251, 512253), (329, 390807), (423, 303961), (519, 247737), (753, 170751), (987, 130269), (1211, 106173), (1557, 82579), (1757, 73179), (2259, 56917), (2961, 43423), (3633, 35391), (5271, 24393), (8131, 15813), (10899, 11797)]