15906915

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 30412800

約数和(自身を除く): 14505885

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 47, 69, 109, 115, 135, 141, 207, 235, 327, 345, 423, 545, 621, 705, 981, 1035, 1081, 1269, 1635, 2115, 2507, 2943, 3105, 3243, 4905, 5123, 5405, 6345, 7521, 9729, 12535, 14715, 15369, 16215, 22563, 25615, 29187, 37605, 46107, 48645, 67689, 76845, 112815, 117829, 138321, 145935, 230535, 338445, 353487, 589145, 691605, 1060461, 1767435, 3181383, 5302305, 15906915]

約数ペア:

[(1, 15906915), (3, 5302305), (5, 3181383), (9, 1767435), (15, 1060461), (23, 691605), (27, 589145), (45, 353487), (47, 338445), (69, 230535), (109, 145935), (115, 138321), (135, 117829), (141, 112815), (207, 76845), (235, 67689), (327, 48645), (345, 46107), (423, 37605), (545, 29187), (621, 25615), (705, 22563), (981, 16215), (1035, 15369), (1081, 14715), (1269, 12535), (1635, 9729), (2115, 7521), (2507, 6345), (2943, 5405), (3105, 5123), (3243, 4905)]