13560015

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 26593920

約数和(自身を除く): 13033905

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 971, 1995, 2793, 2913, 4655, 4855, 6797, 13965, 14565, 18449, 20391, 33985, 47579, 55347, 92245, 101955, 129143, 142737, 237895, 276735, 387429, 645715, 713685, 904001, 1937145, 2712003, 4520005, 13560015]

約数ペア:

[(1, 13560015), (3, 4520005), (5, 2712003), (7, 1937145), (15, 904001), (19, 713685), (21, 645715), (35, 387429), (49, 276735), (57, 237895), (95, 142737), (105, 129143), (133, 101955), (147, 92245), (245, 55347), (285, 47579), (399, 33985), (665, 20391), (735, 18449), (931, 14565), (971, 13965), (1995, 6797), (2793, 4855), (2913, 4655)]