28081217565

素因数分解:

$3^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{364289}}^1$

素因数の和:364874

約数の個数: 32

約数和(自身を含む): 50009731200

約数和(自身を除く): 21928513635

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 571, 1713, 2855, 5139, 8565, 15417, 25695, 77085, 364289, 1092867, 1821445, 3278601, 5464335, 9835803, 16393005, 49179015, 208009019, 624027057, 1040045095, 1872081171, 3120135285, 5616243513, 9360405855, 28081217565]

約数ペア:

[(1, 28081217565), (3, 9360405855), (5, 5616243513), (9, 3120135285), (15, 1872081171), (27, 1040045095), (45, 624027057), (135, 208009019), (571, 49179015), (1713, 16393005), (2855, 9835803), (5139, 5464335), (8565, 3278601), (15417, 1821445), (25695, 1092867), (77085, 364289)]