27193815

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 51925536

約数和(自身を除く): 24731721

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 137, 165, 401, 411, 495, 685, 1203, 1233, 1507, 2005, 2055, 3609, 4411, 4521, 6015, 6165, 7535, 13233, 13563, 18045, 22055, 22605, 39699, 54937, 66165, 67815, 164811, 198495, 274685, 494433, 604307, 824055, 1812921, 2472165, 3021535, 5438763, 9064605, 27193815]

約数ペア:

[(1, 27193815), (3, 9064605), (5, 5438763), (9, 3021535), (11, 2472165), (15, 1812921), (33, 824055), (45, 604307), (55, 494433), (99, 274685), (137, 198495), (165, 164811), (401, 67815), (411, 66165), (495, 54937), (685, 39699), (1203, 22605), (1233, 22055), (1507, 18045), (2005, 13563), (2055, 13233), (3609, 7535), (4411, 6165), (4521, 6015)]