28969335

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 52356096

約数和(自身を除く): 23386761

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 127, 137, 185, 333, 381, 411, 555, 635, 685, 1143, 1233, 1665, 1905, 2055, 4699, 5069, 5715, 6165, 14097, 15207, 17399, 23495, 25345, 42291, 45621, 52197, 70485, 76035, 86995, 156591, 211455, 228105, 260985, 643763, 782955, 1931289, 3218815, 5793867, 9656445, 28969335]

約数ペア:

[(1, 28969335), (3, 9656445), (5, 5793867), (9, 3218815), (15, 1931289), (37, 782955), (45, 643763), (111, 260985), (127, 228105), (137, 211455), (185, 156591), (333, 86995), (381, 76035), (411, 70485), (555, 52197), (635, 45621), (685, 42291), (1143, 25345), (1233, 23495), (1665, 17399), (1905, 15207), (2055, 14097), (4699, 6165), (5069, 5715)]