30991455

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 59158944

約数和(自身を除く): 28167489

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 137, 165, 411, 457, 495, 685, 1233, 1371, 1507, 2055, 2285, 4113, 4521, 5027, 6165, 6855, 7535, 13563, 15081, 20565, 22605, 25135, 45243, 62609, 67815, 75405, 187827, 226215, 313045, 563481, 688699, 939135, 2066097, 2817405, 3443495, 6198291, 10330485, 30991455]

約数ペア:

[(1, 30991455), (3, 10330485), (5, 6198291), (9, 3443495), (11, 2817405), (15, 2066097), (33, 939135), (45, 688699), (55, 563481), (99, 313045), (137, 226215), (165, 187827), (411, 75405), (457, 67815), (495, 62609), (685, 45243), (1233, 25135), (1371, 22605), (1507, 20565), (2055, 15081), (2285, 13563), (4113, 7535), (4521, 6855), (5027, 6165)]