28391517

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{773}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 52161408

約数和(自身を除く): 23769891

約数列:

[1, 3, 7, 9, 11, 21, 33, 53, 63, 77, 99, 159, 231, 371, 477, 583, 693, 773, 1113, 1749, 2319, 3339, 4081, 5247, 5411, 6957, 8503, 12243, 16233, 25509, 36729, 40969, 48699, 59521, 76527, 122907, 178563, 286783, 368721, 450659, 535689, 860349, 1351977, 2581047, 3154613, 4055931, 9463839, 28391517]

約数ペア:

[(1, 28391517), (3, 9463839), (7, 4055931), (9, 3154613), (11, 2581047), (21, 1351977), (33, 860349), (53, 535689), (63, 450659), (77, 368721), (99, 286783), (159, 178563), (231, 122907), (371, 76527), (477, 59521), (583, 48699), (693, 40969), (773, 36729), (1113, 25509), (1749, 16233), (2319, 12243), (3339, 8503), (4081, 6957), (5247, 5411)]